TY  - BOOK
AU  - Kumar,R.Suresh
TI  - Studies on the effects of sulphar containing fertilizers and sulphar free fertilizers on sulphar status of soil in continuous cropping system
KW  - Soil science
KW  - Soil chemistry
KW  - Agricultural chemicals
KW  - Plant growth substances
KW  - Cropping system
KW  - Fertilizers
KW  - Grain crops
ER  -