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为探讨麻田应用化学除草技术的可能性,我们在上海植物生理研究所的协助下,经过筛选,对达拉朋(有效成分55％,上海红卫制药厂提供)的使用剂量和方法进行田间药效测定。供试黄麻品种为“广丰长果”。试验地土质为砂质壤土,前作为沟边大、小麦,畦中苜蓿。黄麻于4月27日播种,在4月29日作播后芽前土壤喷雾处理,5月15日进行苗后毒土撒施处理。处理项目:达拉朋2斤/亩,播后芽前处理;达拉朋3斤/亩,播后芽前处理;达拉朋2斤/亩,
To explore the possibility of applying chemical weeding technology to Arita, we screened the dosage and method of Darapan (active ingredient 55%, provided by Shanghai Hongwei Pharmaceutical Factory) with the help of Shanghai Institute of Plant Physiology Effectiveness measurement. Test jute varieties as “Guangfeng long fruit.” Soil test for the sandy loam, before as a ditch big, wheat, alfalfa alfalfa. The jute plants were sown on April 27th and sprayed on April 29 for the soil preparation before sowing and on May 15 for the seedling application. Treatment items: Dalapeng 2 pounds / mu, sowing bud pre-treatment; Dalapeng 3 pounds / mu, sowing bud pre-treatment; Dalapeng 2 pounds / mu,