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我区下湿田较多,在这类田块栽种油菜,因为土壤湿润,正适合麦麦草、鹅儿肠、腊腊草等杂草生长,危害十分严重,即使中耕二至三次,也不可能完全消灭,严重影响油菜的生长发育和产量。为了解决以上问题,笔者在家中所承包的1.03亩下湿田里作试验,于油菜移栽前施化学除草剂,使每平方米的杂草降到6株以下(都是麦麦草,长势弱,其它杂草98—99％被杀死)亩产达到388斤。毗邻田块,在油菜生长前期,各种杂草密密麻麻覆盖表土,每平方米达350—600株,中耕两次后仍达每平方米200株左右。油莱表现为叶黄、色淡,生长细弱,分枝少,结荚稀,亩产在200—264斤之间。除草剂的施用方法如下: 一、将田块提前4天耙细,打厢,挖穴,丢干粪(用锄欠入土层,避免挥发)。
Wetland in our area is more, planting rapeseed in these plots, because the soil is moist, is suitable for the wheatgrass, goose bowel, wax grass and other weeds growth, the damage is very serious, even if cultivating two to three times, it is impossible to complete Elimination, a serious impact on rape growth and yield. In order to solve the above problems, I contracted at home 1.03 acres of wetland for testing, before transplanting rapeseed chemical herbicides, so that weeds per square meter down to 6 or less (all wheat straw, growing weak, 98-99% of other weeds were killed) per mu reached 388 pounds. Adjacent plots, early in the rape growth, a variety of weeds densely cover the topsoil, 350-600 per square meter, after cultivating two still reached 200 per square meter or so. Oil Lai for the performance of yellow, pale, thin growth, less branching, pods and thin, 200-264 pounds per mu. Herbicide application methods are as follows: First, the fields 4 days in advance rake fine, hit the car, digging holes, leaving dry excrement (with hoe owed into the soil, to avoid evaporation).