Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to:
Increase yield of sugar cane

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to: Inhibit seed germination

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to: Cause sprouting of potato tuber

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to: Promote lateral shoot growth

Nitrogen fertilizers are commonly used to promote the growth of plants and boost the crop yield. As a student of chemistry, can you suggest a farmer whether he should use excess nitrogen fertilizers to get maximum yield or not ?