ALEXANDERGRASS (Brachiaria plantaginea) INTERFERENCE WITH SOYBEANS AND YIELD GAIN ATTAINED THROUGH ITS CONTROL
Abstract
Alexandergrass (Brachiaria planraginea) infestations occur very frequently in soybean producing areas in the Southem region of Brazil, causing economic losses in productivity, of this oil seed crop, resulting also in problems to the harvesting operation. This study searched to investigate its interference in soybean, within weed density variable from moderate to high. Data obtained in several trials, conducted during three seybeah growing seasons in Eldorado do Sul, RS, Brazil, were used. In this research, 35 plot pairs were sampled, which were performed by treatments maintained weed-free throughdut the growing season by hand hoeings, 9r infested by the weed during all crop season. Alexandergrass den
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