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为了调查翻压田菁对下茬小麦的增产效果。今年溪翁庄大队安排了大面积对比试验(每处理100亩,每处理定三个点进行测查)。试验田为壤土,地力中等,播前底施粗肥8000斤,碳铵30斤,过磷酸钙60斤。9月26日播种,6尺畦,机播14行。品种为“农大139”。基本苗:翻压田菁的43万。未翻压的38.6万(大面积调查平均值)。冬前浇水一次,春季开沟施入优质有机肥1000斤(其中磷肥40斤)春后浇水5次,另随拔节水追碳铵30斤/亩。现将调查结果汇总(表1～5)如下:
In order to investigate the effect of pressing Jingjing on the yield of wheat under the crop. This year, Weng Wengzhuang Brigade arranged a large area contrast test (for each treatment of 100 acres, each processing set three points for testing). Experimental field of loam, medium fertility, before sowing fertilizer at the end of 8000 kg, 30 kg of ammonium bicarbonate, superphosphate 60 kg. September 26 sowing, 6 feet 畦, machine sowing 14 lines. Variety of “Nongda 139”. Basic seedlings: Pressing Jing 430,000. Untapped 386,000 (large area survey average). Watering once before winter, the spring ditching facilities into 1000 kg of high-quality organic fertilizer (including 40 kg of phosphate fertilizer) watering 5 times after spring, and the other with the catch-up water followed by 30 kg ammonium bicarbonate / acre. Now the survey results are summarized (Table 1 ~ 5) as follows: