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随着上海郊区农村产业结构的调整,全市棉花种植面积激烈下降,从最高年份的145万亩,下降至今不足30万亩。棉花种植面积和产量的大幅度下降,造成上海轻纺工业告急,棉纺织品大量减少,市场供需矛盾突出,给国民经济的发展带来严重损失。棉花面积连续减少的主要原因是,种棉花费工多,产值低,经济效益差。1987年我们会同宝山县农技推广中心,在罗店乡进行棉田间作金瓜的探索研究,获得了很高的经济效益,为棉田种植方式的改革闯出了新路。现将试验结果报告如下:
With the adjustment of rural industrial structure in the suburbs of Shanghai, the cotton acreage in the whole city dropped drastically, from less than 1.45 million mu in the highest year to less than 300,000 mu. The sharp decline in cotton acreage and output has resulted in an emergency for the textile industry in Shanghai and a drastic reduction in the number of cotton textile products. The contradiction between supply and demand in the market is prominent, causing serious losses to the development of the national economy. The main reason for the continuous reduction of cotton area is that the cotton is more labor-intensive, the output value is low, and the economic benefits are poor. In 1987 we will Baoshan County Agricultural Technology Promotion Center, Luodian Township in the cotton field for gourd exploration and research, access to a very high economic efficiency, for the reform of cotton planting methods to break new ground. The test results are reported as follows: