समान संसाधन
-
Nitrogen and rice
द्वारा: IRRI
प्रकाशित: (1979) -
Nitrogen and rice symposium: Role of nitrogen in rice production, nitrogen transformation in rice soils, 18-21 Sept. 1978
द्वारा: IRRI
प्रकाशित: (1978) -
Rice: effective use of fertilizers
द्वारा: N Atanasiu
प्रकाशित: (1983) -
Soil organic matter :
प्रकाशित: (1996) -
A primer on organic based rice farming
द्वारा: R K Pandey
प्रकाशित: (1991)