لایب سان

Ebook details:
عنوان: Soil Fertility and Fertilizers (8th Edition)
نویسنده: John L. Havlin, Samuel L. Tisdale, Werner L. Nelson, James D. Beaton
ناشر: English
زبان: 9780135033739
شابک: 978-0135033739, 013503373X
حجم: 181 Mb
فرمت: Image pdf with ocr

Title Page Copyright Page Contents Preface 1 Introduction Global Population Growth Food Consumption, Production, and Agricultural Land Use Impact on U.S. Agriculture Utilizing Food Crops for Non-Food Uses Crop Yields and Nutrient Use Crop Yield Limiting Factors Elements in Plant Nutrition Study Questions Selected References 2 Basic Soil–Plant Relationships Ion Exchange in Soils Buffering Capacity Mineral Solubility in Soils Supply of Nutrients from OM Movement of Ions from Soils to Roots Ion Absorption by Plants Study Questions Selected References 3 Soil Acidity and Alkalinity Acidity in Water Sources of Soil Acidity Soil pH Buffering Determination of Active and Potential Acidity in Soils Plant Growth Problems in Acid Soils Reducing Soil Acidity Effects on Plants Calcareous Soils Saline, Sodic, and Saline-Sodic Soils Study Questions Selected References 4 Nitrogen The N Cycle Functions and Forms of N in Plants Biological (Symbiotic) N[Sub(2)] Fixation Forms of Soil N N Transformations in Soils Gaseous Losses of N N Sources for Crop Production Study Questions Selected References 5 Phosphorus The P Cycle Forms and Functions of P in Plants Forms of Soil P P Sources Study Questions Selected References 6 Potassium The K Cycle Functions and Forms of K in Plants Forms of Soil K Factors Affecting K Availability Sources of K Study Questions Selected References 7 Sulfur, Calcium, and Magnesium Sulfur Calcium Magnesium Study Questions Selected References 8 Micronutrients Iron (Fe) Zinc (Zn) Copper (Cu) Manganese (Mn) Boron (B) Chloride (Cl) Molybdenum (Mo) Nickel (Ni) Beneficial Elements Study Questions Selected References 9 Soil Fertility Evaluation Introduction Plant Nutrient-Deficiency Symptoms Plant Analysis Greenhouse and Field Tests Soil Testing Study Questions Selected References 10 Nutrient Management Plant Characteristics Soil Characteristics Nutrient Placement Other Nutrient Management Considerations Management of Organic Nutrients Nutrient Management in Turf Nutrient Management Planning Study Questions Selected References 11 Nutrient Interactions and Economics Nutrient Interactions Economics of Nutrient Use Study Questions Selected References 12 Agricultural Productivity and Environmental Quality Soil Health or Quality Soil Erosion Effects on Crop Productivity Management Practices Essential to Soil Health Environmental Quality Epilogue: Agricultural Challenges and Opportunities Study Questions Selected References Index A B C D E F G H I K L M N O P Q R S T U V W Y Z

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