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1971年,我们在房山县坨头大队党支部的领导下,与当地贫下中农、科技小组一起,进行了几种新农药的药效试验,取得了一定的效果。现报导于下:一、坛产灵、萘乙酸喷射玉米果穗的增产效果增产灵系保定化工实验场出产,萘乙酸系邯郸峰峰矿区萘乙酸农药厂产品。用40ppm 增产灵及20 ppm 萘乙酸分别在玉米果穗初抽丝时对穗部及花丝进行喷射,品种为白单四号,喷射期为7月31日,每种药各喷射100
In 1971, under the leadership of the party branch of Tuotou Batang in Fangshan County, we conducted experiments on the efficacy of several new pesticides with the poor and middle-level peasants and science and technology groups in the area and achieved some results. Are reported below: First, the altar psychic, naphthalene acetate spray corn spike yield stimulation Ling Ling Baoding chemical laboratory production, naphthalene acetic acid Handan Fengfeng naphthalene acetate pesticide plant products. Spikelets and filaments were sprayed on the ear and filament of silkworm at the beginning of corn earwashing respectively with 40ppm of Zeng-bingling and 20-ppm of naphthaleneacetic acid. The variety was Baidan IV. The spraying period was July 31, and each injection of each medicine was 100