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茄子是夏菜的主要果菜之一，市场需求量较大，近几年来由于茄子轮作年限长，病害严重，特别是黄萎病的危害，严重影响茄子的产量，所以茄子的栽培面积逐渐减少、产量下降，为了能满足市场供应，只好在提高单产上找门路。经过2年的试验，找出影响茄子产量的主要因素是氮肥的施入
Eggplant is one of the main summer vegetables, the market demand is larger, in recent years due to long rotation of eggplant, disease serious, especially the damage of Verticillium wilt, seriously affecting the yield of eggplant, eggplant cultivation area gradually decreased, Production decline, in order to meet the market supply, had to find ways to improve yields. After two years of testing, find out the main factor affecting eggplant yield is the application of nitrogen fertilizer