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短季棉春种效果好在盐碱地、旱薄地等中低肥力耕地内种棉,长期来多采用传统的春棉春种法,由于播后地温低,出苗时间长,易感病害,往往前期拿不住全苗,后期蕾铃脱落率高,霜前花率低,影响产量。为了提高盐碱地植棉的经济效益,1993年大名县农业局示范了300多亩...
Short-season cotton spring good effect in saline-alkali land, dry land and other low-fertility cultivated cotton, long-term use of traditional spring cotton spring method, due to low temperature after sowing, emergence time is long, susceptible diseases, often in the early Can not live the whole seedlings, the late buds off the high rate of flowers, flowers before frost rate, affecting the yield. In 1993 to improve the economic benefits of cotton planting salt, Daming County Bureau of Agriculture demonstrated 300 acres ...