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嘉定县的大蒜,是上海地区主要出口创汇的农产品,运销东南亚各国和国内市场。常年种植面积在4万亩左右,1985年出口大蒜10000多吨,创汇600多万美元,但仍没有完成外贸收购任务,主要原因是大蒜蒜形变小,裂蒜增多。其次干蒜产量亦不高,每亩徘徊在450多公斤。据调查,大蒜产量不高,品质下降的原因除品种及栽培管理因素外,还与施肥不合理有极为密切的关系。为此,我们与嘉定县土肥站进行了大蒜配方施肥技术研究。现将1986年大蒜配方施肥的结果,初步总结如下:
Garlic Jiading County, Shanghai is the main export earnings of agricultural products, distribution and marketing of various countries in Southeast Asia and the domestic market. The perennial planting area is about 40,000 mu. In 1985, it exported more than 10,000 tons of garlic and earned foreign exchange more than 6 million U.S. dollars. However, it still did not complete the task of foreign trade acquisition. The main reason was that the shape of garlic became smaller and the number of cracked garlic increased. Second dry garlic production is not high, hovering in more than 450 kilograms per acre. According to the survey, garlic yield is not high, the reason for the decline in quality in addition to species and cultivation management factors, but also unreasonable with fertilization are closely related. To this end, we and Garment Co., Ltd., Jiading County, garlic formula fertilizer technology research. The results of garlic formula fertilization in 1986 are summarized as follows: