鲁西北棉花育苗移栽的经验

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陵县位于鲁西北黄河冲积平原,土壤肥沃,土层深厚,常年降水约600毫米,光辐射量60.9千卡/厘米~2,日照2679.9小时,日均温12.5℃,大于0℃的积温4814.4℃,无霜期202天。光照充足,热量丰富,雨量适 Lingxian County is located in the alluvial plain of the Yellow River in the northwest of Shandong Province. The soil is fertile with deep soil. The annual rainfall is about 600 mm, the light radiation is 60.9 kcal / cm 2, the sunshine duration is 2679.9 hours, the average daily temperature is 12.5 ℃, and the accumulated temperature is 4814.4 ℃ , Frost-free period of 202 days. Sufficient light, abundant heat, suitable rainfall
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