Plant & Soil Sciences eLibraryPRO
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Lessons - Soil and Water Management
  • Manure Phosphorus and Surface Water Protection I: Basic Concepts of Soil and Water P This lesson focuses on the process of eutrophication; the relationship between land application of manure and soil phosphorus (P) dynamics on P delivery to surface waters; and on the P dynamics in water bodies that result in increased P available to aquatic vegetation.
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  • Manure Phosphorus and Surface Water Protection II: Field and Management Factors This lesson describes how source factors, including soil characteristics and management practices, affect phosphorus (P) delivery to surface waters; and also discusses how crop producers can control...
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  • Manure Phosphorus and Surface Water Protection III: Transport Factors This lesson addresses transport factors that may contribute to phosphorus (P) delivery to surface waters.  Erosion, runoff, subsurface flow, drainage, and distance to surface water are the main fact...
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  • Manure Phosphorus and Surface Water Protection IV: Assessment of the Risk of Agricultural P Delivery Addresses the assessment of potential for P delivery to surface waters resulting from the interaction of the source and transport factors addressed in Lessons II and III.  The basic concepts and appl...
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  • Soils - Part 10: The Scientific Basis for Making Fertilizer Recommendations The Scientific Basis for Making Fertilizer Recommendations: In this lesson, you will gain an understanding of the history of fertilizer use and the ideas behind fertilizer recommendations. Three major...
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  • Soils - Part 1: The Origin and Development of Soil (How Soil Gets a Life and a Name) In this lesson, you will gain an understanding of the five soil forming factors and will be able to describe how each influences soil development. You will learn to identify common parent materials, d...
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  • Soils - Part 2: Physical Properties of Soil and Soil Water This lesson will help you understand the major components of the physical properties of soil. You will learn such terms as texture, aggregation, soil structure, bulk density, and porosity as it relate...
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  • Soils - Part 3: Soil Organic Matter In this lesson, you will learn such terms as organic, soil organic matter, nutrient, decomposition, humus, compost, and soil structure. In addition, you will be able to predict the effect of land uses...
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  • Soils - Part 4: Soil pH Soil pH is defined and its implications for crop production are described in this lesson. How are soil pH and buffer pH determined? How are these assessments used in lime recommendations? The factors ...
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  • Soils - Part 6: Phosphorus and Potassium in the Soil This lesson explains the importance of phosphorus fixation and describes methods for applying phosphorus and the advantages (and disadvantages) of each. It also describes the three forms of potassium ...
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  • Soils - Part 7: Soil and Plant Considerations for Calcium, Magnesium, Sulfur, Zinc, and other Micronutrients The 16 essential elements for plant growth and the relative quantities of each needed by plants to grow normally will be discussed in this lesson. You will learn to identify the source of specific nut...
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  • Soils - Part 8: Characteristics of Fertilizer Materials The various characteristics of fertilizer materials being sold on the market today will be discussed. You will learn to identify some of the consequences of using each type of fertilizer material and ...
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  • Soils - Part 9: Fundamentals of Soil Testing The major emphasis in this lesson is soil testing and understanding the procedures needed to take a representative soil sample. You will understand the term variability, how it affects soil tests, and...
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