In this article we will discuss about:- 1. Nature of Soil Organic Matter 2. Types of Soil Organic Matter 3. Factors Affecting Organic Matter Decomposition 4. Role of Organic Matter. Nature of Soil Organic Matter: Soil Weight (i.e. of furrow slice) = 2x106kg/ha Nitrogen status of Soil is 0.03-0.05%N means 1000kg of N/ ha. Total nitrogen of soil means available [...]
After reading this article you will learn about the toxicity symptoms of various nutrients in plants:- 1. Iron 2. Aluminum 3. Manganese 4. Copper 5. Zinc 6. Boron 7. Molybdenum 8. Chlorine. 1. Iron: Plant growth is reduced, Roots become thick and brown. Tiny brown spots appear on lower leaves of paddy plant. These spots begin to develop from the [...]
After reading this article you will learn about:- 1. Important Green Manuring Crops 2. Important Green Leaf Manuring Plants 3. Technique of Green Manuring 4. Advantages and Disadvantages 5. Economics. Important Green Manuring Crops: Green manuring crops must grow rapidly on varieties of soil and must decompose quickly enough to release the nutrients they contain in the soluble form, for [...]