Intercropping sweet corn with different legumes
2005
Rodillas, F.R. (University of Northern Philippines, Vigan City, Ilocos Sur (Philippines). Research and Development Office)
The study was conducted at a farmer's field in Danuman West, Sta. Maria, Ilocos Sur [Philippines] to determine the yield performance of sweet corn as affected by the intercropping of different legumes and to determine the highest net returns of legumes used as intercrops of corn. The legumes used as intercrops were: mungbean, rice bean, cow pea (Black cow pea), and peanut (Spanish Red). Thus the treatments were: T1- sweet corn intercropped with mungbean; T2- sweet corn intercropped with rice bean; T3- sweet corn intercrop with cowpea; T4- sweet corn intercropped with peanut. These including a control (T0- intercropped corn plants) were laid out following a Complete Randomized Design (CRD) with three replications. Results showed no effect of legume intercrops on corn plant height and yield performance. Although the highest actual yield was recorded in the unintercropped corn plants with 7.3 kg/plot. The yield performance of the farmland can be increased by intercropping different legumes with sweet corn. T4 (sweet corn intercropped with peanut) had a corn yield of 6.9 kg/plot and 28.0 kg/plot of peanuts. Intercropping gives a possibility of increasing the economic yield of the corn lands with little modifications on the corn farming techniques and practices at the farmer's level.
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