TY  - GEN
AU  - Thomas,J.
TI  - Studies on the nitrogen management of direct seeded rice
KW  - Nitrogen
KW  - Rice
KW  - Species
KW  - Tillage
KW  - Calcium
KW  - Magnesium
KW  - Nitrification
KW  - Urea
KW  - Pot culture
KW  - Toxicity
KW  - Maize
ER  -