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Energy input and yield relations for wheat in different agro-climatic zones of the Punjab
Satwinder Singh, Surendra Singh, C.J.S. Pannu, Jasdev SinghVolume:
63
Year:
1999
Language:
english
Pages:
12
DOI:
10.1016/s0306-2619(99)00034-3
File:
PDF, 174 KB
english, 1999