Alkaline soils can be improved

Which one of the following fertilizers leaves maximum acidity in the soil?

The element not provided by the fertilizers is –

Denitrification favours under which soil condition?

How much amount of urea will be required for supplying 1 kg of nitrogen?

Consider the following statements in reference to green manure and select the incorrect statement using the codes given below : (A) Green manure is rich in organic matter and nutrients. (B) Green man…