Nitrogen fixation in Indian rice fields (azolla & blue green algae)
Singh, A L
Nitrogen fixation in Indian rice fields (azolla & blue green algae) - Bikaner: Agro Botanical Publishers (India, ) 1989 - 236p.
8185031258
Agriculture
Growth Irrigation
631.461.5:582.26 / M9
Nitrogen fixation in Indian rice fields (azolla & blue green algae) - Bikaner: Agro Botanical Publishers (India, ) 1989 - 236p.
8185031258
Agriculture
Growth Irrigation
631.461.5:582.26 / M9