Arturo A. Gomez has written:

'Philippines and the CGIAR centers' -- subject(s): Agriculture, Consultative Group on International Agricultural Research, International cooperation, Research

'Multiple cropping' -- subject(s): Multiple cropping

Jagadisg Timsina has written:

'Contribution of cropping systems program research and extension to the rural poor' -- subject(s): Case studies, Multiple cropping

is a system of continous croppig and harvesting

there are two different ways -multiple cropping method and modern farming method

cropping an image two times