TY  - BOOK
AU  - Sachdev,Manbir Singh
TI  - Nitrogen and sulphur inter - relation in mustard - moong - maize cropping sequence 15      35 using N and S
KW  - Nonmetals
KW  - ammonium fixatation
KW  - nitrification
KW  - nitrogen fertilizers
KW  - condiments
KW  - flavourings
KW  - brassica nigra
KW  - mustard plants
KW  - mustard crops
ER  -