Soil fertility evaluation and control. (2013)

• Record Type: Book
• Further Information: Note: Charles A. Black.
• Authors: Black, C. A (Charles Allen)
• Contents: Cover; Title Page; Copyright Page; Contents; Preface; Chapter 1 NUTRIENT SUPPLIES AND CROP YIELDS: RESPONSE CURVES; 1-1. Liebig's ""Law of the Minimum; 1-2. Mitscherlich's ""Law of Physiological Relationships"" or ''Effect Law of the Growth Factors; 1-2.1. Development of the Mitscherlich Equation; 1-2.2. The Proportionality Constant c; 1-2.2.1. Significance of c; 1-2.2.2. Implications of the Constancy of c; 1-2.2.3. Relative Yields; 1-2.2.4. Baule's Concepts; 1-2.2.5. Evidence on the Constancy of c; 1-3. Factors Affecting the Shape of Response Curves; 1-3.1. Soil Nutrient Supply. 1-3.2. Effective Nutrient Supply Versus Added Nutrient Quantity1-3.3. Other Nutrient Deficiencies; 1-3.4. Water Supply; 1-3.5. Toxicities; 1-3.6. Secondary Components of Fertilizers; 1-3.7. Biological Effects; 1-3.7.1. Plant Character; 1-3.7.2. Plant Population Density; 1-3.7.3. Weed Infestations; 1-3.7.4. Plant Diseases and Insect Infestations; 1-3.7.5. Mycorrhizas; 1-3.8. Quality Characteristic Selected; 1-3.9. Other Factors; 1-4. Limitations of Response Functions; 1-5. Other Response Functions; 1-5.1. Polynomial Functions; 1-5.2. Inverse Polynomial Functions; 1-5.3. Segmented Functions. 1-6. Selecting a Response Function1-7. Response Functions Compared; 1-8. Statistical Computations; 1-9. Practical Applications; 1-10. Yield Versus Nutrient-Uptake Plots; 1-11. Literature Cited; Chapter 2 ECONOMICS OF FERTILIZATION; 2-1. Optimum Quantity of Fertilizer; 2-2. Economic Principles Applied to Response Functions; 2-3. Maximum Profit From Fertilization; 2-4. Minimum Applications of Fertilizer; 2-4.1. Break-Even Application; 2-4.2. Maximum Profit per Dollar Invested in Fertilization; 2-4.3. Maximum Profit per Dollar Invested in Crop Production; 2-5. Fixed Costs. 2-6. Allocating Fertilizers Among Crops2-7. Allocating Funds Among Fertilizers; 2-7.1. Graphic Representation; 2-7.2. Marginal Product; 2-7.3. Isoquants; 2-7.4. Rate of Substitution; 2-7.5. Isoclines; 2-7.6. Minimum Cost for a Specified Yield; 2-7.7. Most Profitable Combination for a Given Expenditure; 2-7.8. Combination for Maximum Profit; 2-7.9. Technique for Segmented Functions; 2-8. Theory Versus Practice; 2-8.1. Assumptions; 2-8.2. Seasonal Effects; 2-8.3. Response Function Effects; 2-8.4. Experimental Precision and Price Ratios; 2-8.5. Isoquantal Theory Effects. 2-8.6. Psychological Factors2-9. Environmental Aspects; 2-9.1. Loss of Nitrate by Leaching and Denitrification; 2-9.2. Health Hazards; 2-9.3. Sources of Dietary Nitrate; 2-9A. Economics of Limiting Nitrate Loss to Groundwater; 2-9.5. Animal Manures; 2-10. Literature Cited; Chapter 3 PLANT TESTING AND FERTILIZER REQUIREMENT; 3-1. Qualitative Diagnosis of Deficiencies; 3-1.1. Deficiency Symptoms; 3-1.2. Atterberg's Principles; 3-1.2.1. Principle 1; 3-1.2.2. Principle 2; 3-1.2.3. Principle 3; 3-1.2.4. Principle 4; 3-1.3. Krauss Foliar Vector Diagnosis.
• Publisher Details: Boca Raton : CRC Press LLC CRC Press
• Publication Date: 2013
• Extent: 1 online resource
• Subjects: 631.4/22; Soil fertility; Fertilizers; TECHNOLOGY & ENGINEERING -- Agriculture -- General; Electronic books
• Languages: English
• ISBNs: 9781482247886; 1482247887
• Related ISBNs: 9780873718349; 0873718348
• Notes: Note: Online resource; title from PDF title page (EBSCO, viewed May 23, 2018).
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.