作物产量

• Effect of continuous fertilizing for shajiang black soil on crop yield and soil nutrien content
  砂姜黑土连续培肥对作物产量和土壤养分含量的影响
• Analysis of spatial variability of soil characteristics and crop yield under subsurface drainage
  暗管排水条件下土壤特性和作物产量的空间变异性分析
• Determination of drainage criteria considering the increase of crop yield and environment protection
  考虑作物产量和化肥流失时排水设计标准的确定方法
• Application of grey prediction model gm for yield trend forecast of early spring crops in yunnan province
  灰色预测模型在云南小春作物产量预报中的应用
• Geographic differentiation of yield - increase efficiency caused by recycled nutrients in agro - ecosystems
  农业生态系统养分循环再利用作物产量增益的地理分异
• For cross corn seed , the purity of seed increase 1 % , the crop output will increase 10 %
  对杂交的玉米种子来说，种子纯度提高1 ，作物产量可提高10 。
• Effects of urban refuse rude compost on soil microbial numbers and crop yields of the scrap sandpit
  城市垃圾粗堆肥对废沙坑地土壤微生物数量及作物产量的影响
• Effect of long - term located organic - inorganic fertilizer application on fluvo - aquic soil fertility and crop yield
  无机肥长期配施对潮土土壤肥力和作物产量的影响
• The change in yield is calculated as the difference between the yields at these two fertilizer usage levels
  作物产量变化量是指这两个肥料水平对应的两个产量的差值。
• Effect of different fertilization on the inorganic phosphorus fractions and successive planting yield in soybean
  不同施肥处理对连作大豆土壤无机磷组分及作物产量的影响