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万荣县位于运城、临汾盆地之间的峨嵋岭旱塬上,东靠稷王山,西临黄河,地势东高西低,海拔400—800米,年降雨量500多毫米,境内水源奇缺,素有“干万荣”之称。无霜期190天左右,属中熟棉区。全县22万亩棉田,4/5是纯旱地。30多年来棉花产量低而不稳,一般年份亩产只有40来斤。在万荣县的自然条件下,棉花能不能高产?当地群众积累了哪些抗旱植棉经验?现就历年来棉花生产的实践来回答这个问题。一、正确认识旱情,树立高产信心
Wanrong County is located in the Emei Ridge Dry Highland between Yuncheng and Linfen Basins, east of Jill Wangshan and west of the Yellow River. The terrain is high in the east, low in the west, 400-800 meters above sea level and more than 500 mm of rainfall annually. Known as “Gan Wanrong,” said. Frost-free period of about 190 days, is a matured cotton area. The county 22 acres of cotton fields, 4/5 is a pure dry land. In the past 30 years, the output of cotton has been low and unstable. Generally, only 40 kilos of grain are produced per mu in the past years. In Wanrong County under the natural conditions, the cotton can be high yield? What the local people accumulated experience in drought-resistant cotton? The practice of cotton production over the years to answer this question. First, correct understanding of drought, establish high yield confidence