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解放以来,在党和毛主席的英明领导下,我区棉花生产有很大发展,全区共14个县均产棉花,棉田总面积约占全省的45%。由于自然条件和技术条件的影响,以中部和沿黄河各县棉田比重较大,而中部向南向北则比重较小。根据不同地区的自然条件,摸清棉花生育规律及其对养分的需要,合理施肥和经济用肥,是获得棉花高产的重要环节。棉花是一种生长期、需肥较多的经济作物,发芽至全熟约需110～190天。根据试验研究,每生产一百斤皮棉,棉株约可吸收氮素14～16斤,磷酸3～6斤,氧化钾10斤左右。棉
Since the liberation, under the wise leadership of the party and Chairman Mao, cotton production in our region has greatly developed. Cotton production has been produced in 14 counties in the region, with a total area of cotton fields accounting for about 45% of the province. Due to the influence of natural conditions and technical conditions, the proportion of cotton fields in the central and the Yellow River counties is relatively large, while that in the central part of the Yellow River ranges from south to north. According to the natural conditions in different regions, to find out the law of cotton growth and its need for nutrients, fertilization and economic fertilization, is an important part of cotton yield. Cotton is a growing season, more fertilizer to be economic crops, germination to mature about 110 ~ 190 days. According to experimental studies, each producing a lint lint, cotton plant can absorb about 14 to 16 pounds of nitrogen, 3 to 6 pounds of phosphoric acid, potassium 10 kg or so. cotton