TY  - BOOK
AU  - Aggarwal,R.K.
TI  - Investigations on soil testing and maintenance of soil fertility in relation to high yielding varieties of wheat and paddy
KW  - Rice
KW  - Plant products
KW  - Cereals
KW  - food grain
KW  - Grain seeds
KW  - Foods
KW  - Soil types
KW  - Soil Science
KW  - Biological properties
KW  - Biological production
ER  -