Influence of handweeding, cultivation, and herbicides on weed control and yield of soybeans
1988
Nuevo, M.G. | Pamplona, P.P. (Southern Mindanao Univ., Kabacan, North Cotabato (Philippines))
A study was carried out to evaluate the influence of various levels of handweeding, mechanical cultivation (off-barring and hilling-up), and application of pendimethalin on the control of weeds in soybeans. When alone, the three weed control practices provided inadequate control of weeds mainly dominated by Rottboellia cochinchinensis (Lour.) Clayton resulting in reduced crop yield representing 42, 36, and 60% of the handweeded plot. With off-barring and hilling-up, one handweeding at 30 days after planting increased the yield by 34%. Increasing the number of handweedings from two to four did not significantly increase the degree of weed control and yield. One supplementary handweeding to pendimethalin application increased yield by 24%. Handweeding supplemented by off-barring and hilling-up or by fluazifop (0.15 kg/ha) did not increase yield.
Show more [+] Less [-]AGROVOC Keywords
Bibliographic information
This bibliographic record has been provided by University of the Philippines at Los Baños