questions: telling that he has cultivated mustard in a land of 4 bighas. now 50% flowering is in the process.so, asking for any crop booster chemical name which if sprayed, can enhance the produce. 
 answers: 'green harvest' solution @ 2.5 garm in 1 litre of water has been suggested to spray or dk-4 solution @ 25 gram in 100 litres of water has been suggested to spray.