Phosphorus Cycle in Soil
18:26
Volatilization of Ammonia
22:06
Nitrogen Cycle and its Importance in Soil Fertility
21:00
Factors affecting Phosphorus Fixation and Solubility
23:28
मिट्टी में उपलब्ध फास्फोरस का आंकलन कैसे करें || Estimation of available phosphorus in Soil Sample
16:55
Potassium Cycle in Soil
22:40
Organic form of Phosphorus in Soil
24:49
Inorganic Form of Phosphorus in Soil
17:56