Energetics in rice cropping systems in Cauvery Delta Zone of Tamil Nadu
Chandrasekharan, B.; Sankaran, S.
Oryza 35(2): 170-171
Field experiments conducted for two years revealed that, out of 7 cropping systems utilizing a double rice crop, both labour (473 man days ha-1) and energy requirements (951.2 Hp h) were highest in the system comprising of long duration, labour intensive cotton following rice. The labour utilization (270 man days ha-1) and energy requirement (599.4 Hp h) were lowest in the system comprising short duration rice followed by a pulse crop.