高产棉田群体与个体、营养生长与生殖生长的矛盾较为突出，营养供需失调及矿质元素缺乏较为严重，这些常是导致高产棉田蕾铃脱落、限制经济产量大幅度的提高的主要因素。为此，我们进行了新型液肥丰满乐试验，效果明显。１材料与方法试验于１９９８年在商丘市睢阳区阎集乡... The contradiction between vegetative and reproductive growth is more prominent among high-yielding cotton groups and individuals, and the imbalance between supply and demand of nutrients and the lack of mineral elements are more serious. These are often the main factors that lead to the fallout of bolls of high-yielding cotton and limiting the substantial increase of economic output. To this end, we conducted a new plump plump liquid test, the effect is obvious. A material and method test in 1998 in Shangqiu City Xunyang Yan Jixiang ...