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Purdue Extension

Farms & Agribusiness - Soils & Fertility

alternate text here Product Code: AY-364-W

In recent years, high-clearance fertilizer application equipment make it feasible to apply nitrogen (N) fertilizer to corn later in the growing season. This publication explores the potential uses of late-season N app  More...

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alternate text here Product Code: AY-363-W

This publication provides four basic strategies to help improve the health of your soil: (1) Practice no-tillage or strip-tillage, (2) Add more crops to your rotation, (3) include cover crops, and (4) manage nutrient  More...

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alternate text here Product Code: ID-179SP-APP

This is a free preview of our new in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectivel  More...
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alternate text here Product Code: AY-362-W

This publication provides soil judging contest rules and how to use them.

Format: PDF.

Pages: 50.

Language: English.

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alternate text here Product Code: ID-179C-APP

This is the perfect in-field reference that takes the popular Corn and Soybean Field Guide to the next level. Purdue University specialists created this comprehensive, science-based app to help you effectively manage  More...
$5.99 at the App Store

alternate text here Product Code: ID-179S-APP

This is the perfect in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectively manage soybe  More...
$5.99 at the App Store

alternate text here Product Code: ID-179CP-APP

This is a free preview of our new in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectivel  More...
$0.00 at the App Store

alternate text here Product Code: ID-179C-APP-A

This is the perfect in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created this comprehensive, science-based app to help you effectively manage co  More...
$5.99 at the App Store

alternate text here Product Code: ID-179CP-APP-A

This is a free preview of our new in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectivel  More...
$0.00 at the App Store

alternate text here Product Code: ID-179SP-APP-A

This is a free preview of our new in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effective  More...
$0.00 at the App Store

alternate text here Product Code: ID-179S-APP-A

This is the perfect in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectively manage soybe  More...
$5.99 at the App Store

alternate text here Product Code: ID-179-25BX

This is a box of 25 copies of our popular in-field reference. This year's guide provides detailed and descriptive information for corn and soybean producers. Topics include identifying and managing insect, disease, an  More...

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$202.50
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alternate text here Product Code: 4-H-1027-W

The 4-H Soil and Water Science curriculum in digital format (PDF) is for youth who enjoy learning about science and two important natural resources: soil and water. Level 1 introduces basic terms and concepts. Activit  More...

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$3.00
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alternate text here Product Code: 4-H-1028-W

The 4-H Soil and Water Science curriculum in digital format (PDF) is for youth who enjoy learning about science and two important natural resources: soil and water. Level 2 activities help you put the basic concepts i  More...

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$3.00
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alternate text here Product Code: 4-H-1029-W

The 4-H Soil and Water Science curriculum in digital format (PDF) is for youth who enjoy learning about science and two important natural resources: soil and water Level 3 activities are divided into chapters based on  More...

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$3.00
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alternate text here Product Code: FNR-511-W
The Indian Creek watershed project focused on improving water quality in a small agricultural watershed in central Illinois. The project encouraged local landowners to voluntarily adopt conservation practices and systems  More...
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alternate text here Product Code: ID-179

This pocket-size, in-field reference provides detailed and descriptive information for corn and soybean producers. Topics include identifying and managing insect, disease, and weeds; diagnosing herbicide injuries; soi  More...

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$9.00
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alternate text here Product Code: ID-317

The completely revised third edition of this guide contains more than 300 pages of information for forage and livestock producers and the agricultural industries that serve them. We've updated selection information, n  More...

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$9.00
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alternate text here Product Code: ID-317-25BX
This is a box of 25 copies of our popular in-field reference. The completely revised third edition of this guide contains more than 300 pages of information for forage and livestock producers and the agricultural industr  More...

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$202.50
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alternate text here Product Code: AY-386-W
There is no single and universal answer to the question of how and when to apply P fertilizers. However, this publication does propose four basic P application management tips.

Formats: PDF and  More...

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alternate text here Product Code: AY-354-W

This publication is a checklist of things growers should do as they plan for using cover crops in their operation. It is a companion to Managing Cover Crops: An Introduction to Integrating Cover Crops Into a Corn-Soyb  More...

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alternate text here Product Code: AY-355-W

This publication briefly describes the benefits of growing cover crops on prevented planting acres and provides guidance for selecting and seeding cover crops on these acres.

Language: English.  More...

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alternate text here Product Code: AY-352-W

This publication is an introduction to cover crops — it describes cover crop benefits, how to select appropriate covers, common seeding methods, and how to terminate them. It is a companion to Managing Cover Cro  More...

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alternate text here Product Code: AY-353-W

This publication outlines an introductory approach to integrating cover crops into a corn-soybean cropping system and is intended to help farmers who are new to growing cover crops. It also offers a basic cover crop r  More...

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alternate text here Product Code: 4-H-1030a-W

Thank you for helping a 4-H member learn about Soil and Water Science as a project facilitator. This Facilitator's Guide answers the questions in the youth guides and suggests ways to facilitate the activities. It als  More...

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$2.50
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alternate text here Product Code: 4-H-1030b-W

Thank you for helping a 4-H member learn about Soil and Water Science as a project facilitator. This Facilitator's Guide answers the questions in the youth guides and suggests ways to facilitate the activities. It als  More...

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$2.50
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alternate text here Product Code: 4-H-1030c-W

Thank you for helping a 4-H member learn about Soil and Water Science as a project facilitator. This Facilitator's Guide answers the questions in the youth guides and suggests ways to facilitate the activities. It als  More...

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$2.50
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alternate text here Product Code: 4-H-1027

The 4-H Soil and Water Science curriculum is for youth who enjoy learning about science and two important natural resources: soil and water. Level 1 introduces basic terms and concepts. Activities focus on understandi  More...

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$5.50
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alternate text here Product Code: ID-179-APP
This is the iPad app version of the popular pocket-size guide. This comprehensive, science-based app provides a range of information to help you effectively manage corn and soybean production. If you have ever used the p  More...
$12.99 at the App Store
alternate text here Product Code: HO-240-W
Plants obtain nearly all their nutrients from the soil, but not all the nutrients present in the soil are accessible to plants. That's because soil pH affects the form and, therefore, solubility of nutrients. This public  More...
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alternate text here Product Code: HO-241-W
Soil pH is important because it affects the availability of nutrients a plant needs to grow and thrive. This publication explains when lowering soil pH is important for commercial producers and recommends practices to sa  More...
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alternate text here Product Code: AY-335-W
For many years, N recommendations in the Midwest were based on achieving a specific corn yield goal (if you want so many bushels per acre, apply so much N). This began to change in 2006. As growers consider adopting thes  More...
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alternate text here Product Code: PPP-14
Indiana law requires fertilizer applicators to become certified. Commercial applicators of agricultural fertilizers, as well as individual applicators of manure from confined feeding operations (CFOs), are subject to thi  More...

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$30.00
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alternate text here Product Code: HO-249-W
If annual bedding plants have even just a few flowers, customers get an idea of what the plant looks like in full bloom, which can increase impulse purchases. However, to be able to deliver to retailers annual bedding pl  More...
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alternate text here Product Code: HO-247-S-W
Dado que el agua es un elemento esencial, invernaderos comerciales y operaciones de viveros necesitan mantener el abastecimiento de agua en cantidad y calidad suficiente para producir plantas de manera rentable. Esta pub  More...
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alternate text here Product Code: HO-248-B-W
This brochure is a general reference to help greenhouse producers make basic decisions about applying plant growth retardants (PGRs) in greenhouse settings. The full version of this publication, Commercial Greenhouse and  More...
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alternate text here Product Code: HO-248-W
Controlling plant size is one of the most important aspects of greenhouse crop production. An alternative, effective strategy for controlling plant height is to use chemical plant growth retardants (PGRs). The goals of t  More...
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alternate text here Product Code: HO-247-W
Because water is so essential, commercial greenhouse and nursery operations need to maintain water supplies of sufficient quantity and quality to produce plant material profitably. This publication is not a comprehensive  More...
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alternate text here Product Code: HO-238-B-W

This brochure provides basic information about measuring Daily Light Integrals (DLI) in greenhouses, including DLI requirements for certain crops.

The full version of this publication is available in  More...

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alternate text here Product Code: HO-242-SW
Productores de invernaderos y viveros muchas veces asumen que la presencia de hojas amarillas o pálidas son signos de deficiencias nutricionales. A veces, sin embargo, el problema se debe a la ausencia de nutrientes  More...
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alternate text here Product Code: HO-246-W
The U.S. Department of Agriculture National Agriculture Statistics Service (USDA-NASS) released the 2007 Census of Agriculture on February 4, 2009. State and federal policy makers, researchers, extension personnel, growe  More...
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alternate text here Product Code: HO-237-SW
El monitoreo del pH y la conductividad eléctrica (CE) de medios de crecimiento nos da la habilidad de corregir este tipo de inconvenientes antes de que se conviertan en problemas que pudieran perjudicar a los cultiv  More...
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alternate text here Product Code: HO-238-SW
En la producción comercial bajo invernadero varias estrategias pueden emplearse para manejar de manera adecuada los niveles de luz a lo largo del día y según las temporadas del año. Esta publicaci  More...
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alternate text here Product Code: HO-242-W
Growers often do not have a clear understanding of the underlying causes behind increased substrate pH—water alkalinity, rather than water pH, is typically the source of the problem. This publication helps growers  More...
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alternate text here Product Code: SARE-02

Building Soils for Better Crops is a one–of–a–kind, practical guide to ecological soil management, now expanded and in full color. It provides step–by–step information on soil&ndas  More...

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$20.95
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alternate text here Product Code: HO-237-W
Monitoring the pH and electrical conductivity (EC) of growing substrates is a way to correct issues before they become problems that damage crops. This publication recommends best practices for establishing a pH and EC t  More...
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alternate text here Product Code: AS-593-W
As plans for planting and getting into fields accelerate in spring, preparing ahead for manure application will help to streamline the process, insure proper nutrient application rates to support anticipated crop yields,  More...
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alternate text here Product Code: SARE-06

This manual provides an in-depth review of the applications of crop rotation-including improving soil quality and health, and managing pests, diseases, and weeds. Consulting with expert organic farmers, the authors sh  More...

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$24.00
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alternate text here Product Code: AY-329-W
This publication presents research that shows how plant height uniformity influences yield in continuous corn using conservation tillage systems. This publication discusses some real causes of yield loss in no-till corn  More...
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alternate text here Product Code: ID-336
4-page publication explaining the consequences of and compromises involved in planting more corn after corn for ethanol production.  More...
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alternate text here Product Code: RW-2-W
Central to septic system performance is soil hydraulic conductivity, or the rate water flows through the soil. This publication focuses on hydraulic conductivity in septic system absorption fields, and its importance in  More...
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alternate text here Product Code: RW-3-W
Shrinking and swelling soils can damage homes, roads, utilities, and septic systems, so it's important to investigate and consider soil characteristics for land use planning. This publication describes the causes of shri  More...
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alternate text here Product Code: AY-318-W

Monitoring nitrate nitrogen in field drainage tile outlets has important implications for water quality and efficient production agriculture. This publication provides some general guidelines for interpreting nitrate  More...

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alternate text here Product Code: HENV-7-W
Soil is the most valuable component of an Indiana septic system. This publication describes the soil characteristics that are necessary for effective wastewater treatment.  More...
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alternate text here Product Code: AY-280-W
This guide is a planning tool to help producers develop a residue management program using selected tillage machines  More...
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alternate text here Product Code: AY-269-W
This publication shows corn and soybean producers who use conservation tillage methods how they can estimate and manage crop residue cover.  More...
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alternate text here Product Code: WQ-43-W
This publication includes farmer tested monitoring methods for five soil quality indicators that affect field productivity and environmental quality. Methods covered include water infiltration rate, earthworm counts, soi  More...
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alternate text here Product Code: AY-323
This publication presents methods for describing soils and landscapes. Its goal is to foster better communication between soil scientists who write soil and landscape evaluation reports and the environmental specialists  More...
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alternate text here Product Code: AY-322-W

Studies have demonstrated that the nitrogen (N) status of a corn crop can be determined by measuring the nitrate concentrations in the lower portions of cornstalks at the end of the growing season. Evaluation of the t  More...

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alternate text here Product Code: AY-267-W
Outlines the causes or sources of acidity in soils, defines how to measure such acidity, and discusses how to determine soil liming needs and appropriate rates of application. Also discusses quality characteristics of  More...
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alternate text here Product Code: AY-277-W
This publication describes how to estimate the capacity of 3 types of manure spreaders: liquid tank, V-bottom, and a box.  More...
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alternate text here Product Code: AY-281-W
Land is one of a producer's highest-priced assets. To get the most return from your investment, you need to insure adequate fertility. Thus, soil testing should be a key part of your crop production program.  More...
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alternate text here Product Code: AY-9-32-W
This publication discusses common fertilizer recommendations for the major crops in the tri-state region.  More...
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alternate text here Product Code: AY-317-W

Getting the correct amount of Nitrogen needed for optimal corn yields can be difficult. However, using a chlorophyll meter can help determine the amount of Nitrogen a corn plant has been able to accumulate. This publi  More...

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alternate text here Product Code: AY-314-W

Nitrogen fertilizer is essential for profitable corn yields, but is also a major production cost and can contribute to environmental degradation. This publication provides information about soil nitrate tests, collect  More...

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alternate text here Product Code: SSM-4-W
Fundamentals of the construction and function of spraying systems, from simple fixed-rate units to state-of-the-art variable-rate systems.  More...
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alternate text here Product Code: SSM-5-W
Fundamentals of the modulated spraying nozzle control (MSNC) system, a technology which can significantly improve the performance of both new and existing spraying equipment.  More...
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alternate text here Product Code: HO-71-W
This publication discusses timing, tools, techniques, sampling, and testing information for soil.  More...
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alternate text here Product Code: ID-72-W

This publication is the guide used to teach soils and land use in high schools and to conduct soil judging contests.

F  More...

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alternate text here Product Code: AY-300-W
This publication provides information about surface drainage, tile drains, and ditches for the soils of Indiana. The publication focuses on three main areas: soil drainage associations, descriptions of soil drainage asso  More...
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alternate text here Product Code: AY-301-W
This publication covers the hydrological and ecological importance of wet soils. It covers the basic characteristics of wet soils, how they function in their natural state, and how they might react to drainage for agricu  More...
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alternate text here Product Code: WQ-39-W
Using the Quick Check and the Action Plan included in this publication can help determine, and prevent, high risks for possible water contamination associated with pastured animal production. It also includes local organ  More...
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alternate text here Product Code: SSM-2-W
This publication discusses two different site-specific management approaches for the variable rate application of crop production inputs (i.e., fertilizer, pesticides, etc.) and the benefits of each.  More...
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alternate text here Product Code: SSM-1-W
The value of manure in crop production is directly related to how it is managed. There is now the ability to document the amount of manure applied, where and when it was applied, and to avoid application in areas that mi  More...
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alternate text here Product Code: HO-224-W
This publication lists and briefly describes landscape plants that are suitable for the specific site conditions of acid soil. These lists can serve as a guide, but are not intended to be exhaustive.  More...
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alternate text here Product Code: HO-225-W
This publication lists and briefly describes landscape plants that are suitable for the specific site conditions of sandy areas. These lists can serve as a guide, but are not intended to be exhaustive. Many other plants  More...
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alternate text here Product Code: ID-101-W
Manure is no longer a liability; it is an asset to be stored and applied in a way that maximizes nutrient value. Land application of animal manure provides a hedge against the high price of commercial fertilizers. Thi  More...
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alternate text here Product Code: AY-279-W
Earthworms are an important component of many healthy, productive soils; they improve soil porosity and tilth by their feeding, casting, and burrowing activity. Earthworms may be particularly important in no-till or othe  More...
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alternate text here Product Code: AY-215-W
Good decisions about soil and land use can only be made with the right information. AY-215 is a guide to that information, including where to get it and how to use it. AY-215 includes details about the value of soils  More...
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alternate text here Product Code: FNR-104-W
This publication examines types of mycorrhizal fungi and how they are beneficial to tree seedling growth.  More...
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alternate text here Product Code: AY-278-W
This publication describes how to estimate the capacity of three types of manure spreaders: liquid tank, V-bottom, and a box.  More...
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alternate text here Product Code: AY-238-W
Explains how to determine the relative ability of soils to store the group of nutrients called cations.  More...
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alternate text here Product Code: AY-221-W
This publication deals with the scope and nature of soil compaction and its remedies.  More...
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alternate text here Product Code: NCH-46-W
This publication discusses the essential elements, definition, use, soil testing, limitations, and interpretation of plant analysis. Tables are included listing the critical nutrient values or sufficiency ranges for co  More...
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alternate text here Product Code: AY-228-W
Soil erosion on agricultural land is a significant problem in Indiana. Not only is yield decreased, but sediment (the end product of erosion) is a major source of water pollution. This publication discusses the erosion  More...
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alternate text here Product Code: AY-271-W
This publication contains information on soil types by counties in Indiana, a map of Indiana graphically demonstrating soil parent materials of the 13 regions and considerable discussion on conditions that influence wind  More...
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alternate text here Product Code: AY-239-W
Provides information on micronutrient needs of common Indiana field crops and how to prevent deficiency problems.  More...
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alternate text here Product Code: AY-204-W
The purpose of this publication is to answer questions concerning types and uses of nitrogen fertilizers for crop production. It is hoped that the information presented will help Hoosier farmers more accurately assess  More...
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alternate text here Product Code: NCH-23
This publication discusses the likely effects of drainage improvements, the yield value of those improvements, the factors determining the economics of drainage, and how to calculate returns to a drainage investment. T  More...
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alternate text here Product Code: HO-191-W
This leaflet discusses diagnosis, identification, and correction of acid soil problems. Pictures are included of problem plants.  More...
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alternate text here Product Code: AY-234-W
This publication presents a step-by-step procedure for making miniature monoliths. The information in this publication discusses the materials required and how to properly collect and mount the soil horizon samples.  More...
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