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药害发生在1990年浙江省余杭县南湖农场的单季稻田,水稻品种为BG910(籼稻)。 (一)秧田及稻本田的主要栽培措施秧田面积2亩,播种量为50千克/亩,5月11日用402浸种。5月15日播种,底肥施尿素5千克/亩。播前用3％呋喃丹颗粒剂1.75千克/亩拌种。5月29日(水稻3叶1心期)施尿素7.5千克,并施50％杀草丹乳油250毫升/亩。6月5日喷25％杀虫双水剂50毫升/亩,6月11日施尿素7.5千克/亩,6月12日喷杀虫双75毫升/亩。6月14～15日插秧。6月17日下午每亩用5.3％丁西颗粒剂310克拌500克尿素撒施于田中。施药时田水3厘米左右,有一部分泥露出水面。施药后第二天因架高压线断水,5天以后才复水。施药后2～3天全田稻株黄化,出现不规则枯死,凡是泥露出水面的枯死厉害。药害重的7亩田产量仅80～90千克/亩。
Phytotoxicity occurred in a single cropping paddy at Nanhu Farm in Yuhang County, Zhejiang Province in 1990 with a rice variety of BG910 (indica rice). (A) The main cultivation methods of seedling and rice Honda Seedling area of 2 acres, seeding rate of 50 kg / mu, May 11 soaked with 402. May 15 sowing, urea fertilizer at the end of 5 kg / mu. Sowing with 3% carbofuran granules 1.75 kg / mu seed dressing. May 29 (rice 3 leaves a heart period) 7.5 kg of urea, and applied 50% to kill Dan EC 250 ml / mu. June 25 spraying 25% insecticide double agent 50 ml / mu, June 11 urea 7.5 kg / mu, June 12 spray insects double 75 ml / mu. June 14 ~ 15 transplanting. On the afternoon of June 17, we sprayed 310 grams of Dixie Granule with 500 grams of urea per mu in Tian Tan. When spraying pesticide 3 cm or so, some mud exposed water. The next day after spraying high-pressure line due to frame water, rehydration after 5 days. 2 to 3 days after spraying the whole field of rice plant yellow, irregular withering, all the mud exposed the surface of the deadly powerful. 7 acres of heavy crop injury output of only 80 to 90 kg / mu.