Excessive use of which of the following fertilizers may be responsible for the presence of a toxic substance in groundwater?

Which of the following is not a raw-material for fertilizer industry?

Which of the following is a Potassic fertilizer?

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

Which of the following fertilizers has more nitrogen content?

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…