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1轮作倒茬荞麦对茬口要求不严,但不宜重茬。因为连作易造成土壤肥力下降、养分比例失调、病虫害加重,可选择与豆类、糜谷、马铃薯、小麦、胡麻、向日葵等作物轮作,轮作周期3年以上。2精细整地荞麦根系弱、子叶肥大、顶土能力差,要求土壤疏松,土层深厚,土壤结构良好,所以深耕既能熟化土壤加厚土层,改善土壤结构,提高土壤蓄水保墒能力,防
1 rotation cropping buckwheat stubble on the lax requirements, but not stubble. Because continuous cropping can cause soil fertility decline, nutrient imbalance, pests and diseases increased, with beans, Mi Gu, potatoes, wheat, flax, sunflowers and other crop rotation, rotation period of 3 years. 2 finely ground buckwheat root system is weak, cotyledons hypertrophy, top soil ability is poor, requires loose soil, deep soil, soil structure is good, so deep plowing can not only soil thickening soil layer, improve soil structure, improve soil water storage capacity