Growth of Crops in Soils after Herbicidal Treatments for Brush Control in the Tropics
1968
Bovey, R. W. | Miller, F. R. | Diaz-Colon, J.
Herbicides 4-amino-3,5,6-trichloropicolinic acid (picloram), a 1:1 mixture of the butyl esters of 2,4-dichlorophenoxyacetic acid and 2,4,5-trichlorophenoxyacetic acid (2,4-D:2,4,5-T), and a 2:2:1 mixture of the isooctyl esters of 2,4-D:2,4,5.T:picloram at 6.7, 26.9, and 16.8 kg/ha (6, 24, and 15 1b/A) respectively, were applied as foliar sprays to control guava (Psidium guajava L.). Six crop species were planted in soil collected from each plot, 1, 2, 3, 6½, 9½, and 13½ months after treatment, to detect herbicide residues and to determine crop tolerance. Corn, sorghum, wheat, rice and cotton could be grown without reduction in fresh weight as early as 3 months after application. Soybeans were the most susceptible crop to herbicide residues.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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