http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Soil fertility, fertilizer and integrated nutrient management
1. Concept of Soil Fertility and Productivity -- 2. History and Development of Soil Fertility -- 3. Elements in Plant Nutrition -- 4. Soil and Fertilizer of Primary Nutrients -- 5. Soil and Fertilizer of Secondary Nutrients -- 6. Soil and Fertilizer of Micronutrients -- 7. Soil Fertility Evaluation -- 8. Integrated Nutrient Management