Feasibility of producing fodder under maize and mungbean intercropping scheme by manipulating biotectural arrangement and maize plant density [Philippines]
1987
Razzaque, M.A. | Rosario, E.L. (Philippines Univ., Los Banos, College, Laguna (Philippines). Farming Systems and Soil Resources Inst.)
A field experiment was conducted to determine the fodder production potential of maize as affected by different biotectural arrangement and population density of maize-mungbean as an intercrop. The result indicated the considerable potential of producing maize fodder without affecting its normal economic yield. Increasing maize population from 100,000 to 300,000 plants/ha and gradually reducing it to a normal population of 50,000 plants/ha increased total maize fodder yield from 1.76 to 8.29 t/ha on a dry matter basis. This amount of fodder can support some 1.95 to 9.21 ruminant animal for 120 feeding days. The crude protein, crude fiber and in vitro dry matter digestibility of maize fodder was reasonably adequate from 28 to 56 days after seeding (DAS) but tended to decline at longer harvest date. Crude protein percentage of maize was higher with intercropping of maize and mungbean suggesting that maize and mungbean are compatible crops for protein production. The grain yield of maize was not affected by population density of 50,000, 100,000 and 200,000 plants/ha when excess population was thinned to 50,000 within 56 DAS. Mungbean yield significantly decreased with increased maize population primarily due to low pods per plant, number of seeds per pod, harvest index and 100 seed weight. Double row biotectural arrangements of maize with an interval distance of 1.5 to 2.0 m improved mungbean growth and resulted to higher seed yield compared to alternate row planting of maize.
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