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为准确掌握在甜菜生育期中损伤叶片对甜菜产质量的影响,为我们对甜菜叶片重要性的认识提供可靠的科学数据,故对甜菜擗叶进行了试验。供试面积448平方米。在甜菜的繁茂期(七月二十五日),各处理擗掉不同的叶片:即擗掉叶10片、擗掉叶15片、擗掉叶20片、不擗叶(对照区)。试验地设在城郊公社建城大队第四队,前作蔬菜,地势平坦,肥力均匀,秋翻春起垅,亩施农肥五千斤,亩追化肥十公斤,五月五日播种,播种方法掩种,间苗二次,铲趟三次,九月二十五日收获,收获后产量含糖量即进行实测。通过试验结果说明:
In order to accurately understand the effects of damaged leaves on the quality and yield of sugar beet during the growth period of sugarbeet, we provided reliable scientific data for our understanding of the importance of sugarbeet leaves. The test area of 448 square meters. In the lush period of beet (July 25), different treatments were taken out of the leaves: 10 leaves were removed, 15 leaves were removed, 20 leaves were removed, and the leaves were removed (control area). Test ground located in the suburbs of the commune brigade built the fourth team, before the vegetables, flat, fertile, Qiuquanchunqi, Mushi five kilograms of fertilizer, mu chase fertilizer ten kilograms, sowing on May 5, , Seedlings twice, shovel trip three times, September 25 harvest, yield sugar content after harvest that is measured. The test results show that: