Intercrop potential of maize (Zea mays L. cv. Savar1) in ipil-ipil (Leucaena leucocephala cv. Peru) based agroforestry hedgerows [in Bangladesh]
1993
Rahman, M.M. | Islam, M.R. | Islam, M.
Fodder maize was cultivated at 50 m x 25 cm spacing during summer and winter in the inter-row space of transplanted and dibbled ipil-ipil hedgerows (1 m x 1 m) pollarded at 3 different cutting heights viz. pollarded at 1.0, 1.5 and 2.0 m stubble heights respectively. Maize seed in summer was dibbled as one seed per hole, in winter on the other hand 3-4 seeds were put in the same hole for thinning later on. A basal dressing of NPK - 30-30- 15 kg/ha was drilled both in summer and in winter, winter maize was thinned at 40, 60 and 80 days after emergence (DAE) and final harvest for cob and biomass yield were made at 140 DAE. Summer maize on the other hand was harvested for fodder at 90 DAE. Fodder biomass yield in summer was 11.98 and 10.58 6/ha respectively in transplanted and dibbled plot. Cumulative yield of winter maize fodder after 3 thinnings was higher (P0.05) in dibbled plot (9.93 t/ha) than transplanted plot (7.26 t/ha). Total winter cob yield was 2.22 and 2.43 t/ha and final harvest biomass yield was 7.34 and 9.84 t/ha respectively in transplanted and dibbled plots, these factors, however, did not differ significantly. Total summer biomass forage yield in the inter-row space underneath of 1.0, 1.5 and 2.0 ipil-ipil stubble heights was 12.16, 10.73 and 10.96 t/ha respectively. Different thinning yields of winter maize forage on the other.
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