产量差异 meaning in English
production volume variance
volume variance
Examples
- Of course , other factors might also contribute to the yield differences
当然其它因素也可能是造成产量差异的原因。 - Effect of nitrogen application on nitrogen absorption , distribution and yield of strawberry
不同施氮处理草莓氮素吸收分配及产量差异的研究 - Data from two experimental sites demonstrate that the big difference in yields can be obtained by using different combinations of variety , fertilizer and plant population
两个试验点的数据显示,采用不同的品种、肥料和密度组合能得到巨大产量差异。 - In most cases , the yield difference is established by soil and crop management and this fact is reflected in the national yield average for different countries ( table 1 )
大多数情况下,产量差异起因于土壤和作物管理,这表现在各国全国平均产量上(表1 ) 。 - This system possesses these function such as the guidance for planting , comparison of yield , making decision for prevention and cure of plant disease and insect pests , training and communication . it contains all the processes of corn and wheat tillage , from harvesting , straw disposal , sowing , to farm management
系统具有玉米、小麦种植指导、产量差异趋势预测、病虫害防治决策、培训和交流等功能,覆盖了从小麦和玉米收获、秸秆处理以及播种、作物病虫害防治和田间管理的全过程,经过在局域网上运行,证明系统可行。