Soil Organic matter and Soil Organisms Soil Organic matter and Soil Organisms Please Login to view this lesson. Login Page Back to the course SLM201: Principles of Soil Science Lessons Fertilizers as an Agricultural Input 15:28 Nitrogen as Plant Nutrient Element 13:27 Phosphorus Nutrition in Plants 12:34 Potassium Nutrition in Plant 11:43 Sulphur Nutrition in Plants 09:18
