Agricultural Science Digest, volume 20 issue 3 (september 2000) : 183-184
STUDIES ON SOIL AVAILABLE NITROGEN AS AFFECTED BY MULTIPLE CROPPING
S.K. Sharma, R.C. Thakur, Ranbir Singh Rana
1Department of Agronomy
Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India