EFFECT OF ROW SPACING AND TIME OF WEEDING ON THE GROWTH AND YIELD OF MUNGBEAN [(Vigna radiata L.) Wilzeck]
1983
Agarcio Jr., Benjamin C.
A field experiment was conducted to evaluate the effect of row spacing and time of weeding on the competitiveness of mungbean against weeds.Dry weed weight was generally higher at wider row spacing than at closer spacing because of more space available for weed growth.Controlling weeds in mungbean within the first 4 weeks after seeding resulted in optimum yield. Weeds that emerged beyond 4 weeks after seeding were shaded out by the mungbean canopy and did not considerably reduce grain yield.It appears that 2 timely weedings during the period of critical competition in mungbean could result in optimum yield comparable to that which can be obtained from season-long weeding.
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