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Performance of Fodder Maize Mixed Cropped with Broadcast Aus

M. R. Islam
Department of Agronomy Bangladesh Agricultural university, Mymensingh

A. A. Mamun
Department of Agronomy, Bangladesh Agricultural university, Mymensingh

S. M. A. Hossain
Department of Agronomy, Bangladesh Agricultural university, Mymensingh

Abstract/ Executive Summary:

An experiment was carried out at the Agronomy field Laboratory of Bangladesh Agricultural University, Mymensingh during April to July, 1988 to study the potential of growing fodder maize at different populations by manipulating spacing as inrercrop with broadcast aus rice. Maize planted at 150 cmx 150 cm and I5Ocm x 100cm spacings (i. e. 4444 and 6666 plants per hectare, respectively) and harvested at 60 days after sowing did not affect grain yield of aus rice and nutritive value of maize fodder. Higher plant population of maize in closer spacings progressively reduced rice yield and affected nutritive value of maize significantly under intercrop situation. The highest gross margin (Tk. 3179/- and Tk. 2883/- per hectare) and benefit-cost ratio (1.48) was obtained from 100% aus rice plus maize at I5Ox I5Ocm and 150 x 100 cm spacing, respectively. Thus good quality green maize fodder (2.53-3.38 t/ha) might be obtained without sacrificing grain yield of B. aus rice.

Keywords: Fodder maize, Broadcast aus, Yield

Location: Bangladesh Agricultural University, Mymensingh

Start Date:

End Date:

Program Area: Farming System

Commodity: Maize, Rice

Objectives:

To produce maize fodder without sacrificing the yield of broadcast aus rice.

Methodology:

The experiment was conducted at Bangladesh Agricultural University, Mymensingh.The experiment was laid out in randomized complete block design with four replications. Size of each plot was 5m x 4m. The treatments were as follows: T_I== Aus 100% (sale) Broadcast , T₂== Aus 100% + Maize at 150 x 150cm spacing, T,₃= Aus 100% + Maize at I5O x 100cm spacin g, T₄,= Aus 100% + Maize at I5O x 75cm spacing , T₅= Aus 100% + Maize at I5O x 50cm spacing , T₆= Aus 100% + Maize at I5O x 30cm spacing, T₇= Aus 100% + Maize at 100 x 100cm spacing , T₈= Aus 100% + Maize at 100 x 75cm spacing , T₉= Aus 100% + Maize at 100 x 50cm spacing , T₁₀= Aus 100% + Maize at 100 x 30cm spacing , T₁₁= Aus 100% + Maize at 75 x 75cm spacing, T₁₂= Aus 100% + Maize at 75 x 50cm spacing, T₁₃= Aus 100% + Maize at 75 x 30cm spacing and T₁₄= Maize 100% (sole) at 60 x 30cm spacing. The land was prepared well by harrowing followed by laddering. Cowdung, was applied @ 5 t/ha at the time of final land preparation. N, P₂0₅, and K₂0 were applied at the rate of 60-60-40 kg/ha. respectively. The entire amount of phosphate, potash and half the amount of nitrogen were applied at the time of final land preparation. Rest half of the nitrogen was applied in two splits at 24 and 40 days after sowing (DAS). The seeds were sown on April 24, 1988. 'Hashikalmi' was the variety or aus rice and the maize cultivar was 'Barnali'. Rice was broadcast to each plot @ 100kg/ha. Arter rice heing broadcast, maize seeds were sown at the desired spacings as per treatment in the furrow made with country plough and then covered with soil. Weeding was done twice at 23 and 38 DAS. Thinning of maize plants was done twice. Maize (fodder) was harvested at 50% silking stage during June 21-27, 1988 by cutting the whole plant at ground level. On maturity, aus rice was harvested plot-wise during July 20-2X, 19X5. The data on grain and straw yield of rice and biomass yield or maize (fodder) were recorded on whole plot basis leaving 50 cm border from each side of the plot. Data on yield contributing characters and nutritive value were collected from randomly selected ten plants or rice and five plants or maize from each unit plot.

Source of Information: Bangladesh Agron. J. 1996, 6(1 & 2): 47-53, ISSN 1013-1922

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Higher plant population of maize in closer spacings progressively reduced rice yield and affected nutritive value of maize significantly under intercrop situation. The highest gross margin (Tk. 3179/- and Tk. 2883/- per hectare) and benefit-cost ratio (1.48) was obtained from 100% aus rice plus maize at I5Ox I5Ocm and 150 x 100 cm spacing, respectively. Thus good quality green maize fodder (2.53-3.38 t/ha) might be obtained without sacrificing grain yield of B. aus rice.

Knowledge Management: Journal