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- Better crop growth provides better crop canopies which give better protection to the soils;this can be achieved through fertilizer application. 良好的作物生长可为土壤提供良好的覆盖条件,从而更好地保持土壤,这可以通过施肥来实现。
- Measurement of wind-induced motion of crop canopies from digital video images 用数字视频图象测量风引起的作物林冠移动
- Spatial variability of leaf wetness duration in different crop canopies 在不同作物冠盖下叶保湿期的空间变化
- This method is simple and reliable and gives a good referenceto the standard weather stations to estimate the dew conditions of surounding crop canopy in largearca. 这种露的估算方法简便、直观,效果稳定,测报范围较大。 在梨冠层露情露时测报的二年应用中,露时误差在2h以内,露情轻重与实际相吻合。
- For modelling of three dimensional distribution of Photosynthetically Active Radiation (PAR) in crop canopy, the important contents of this thesis are as following. 本文的主要研究目的是建立玉米冠层内光合有效辐射(Photosynthetically Active Radiation, PAR)三维空间分布的模拟模型。
- This is because the fertilizer enhances plant and root growth and increases the crop canopy, which in turn will lessen the impact of rain drops on the soil. 这是因为肥料促进地上和地下部根系的生长,增大作物的植冠,从而减缓雨滴对土壤表面的冲击。
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- We have had the biggest wheat crop ever this year. 今年我们的小麦收获量是有史以来最好的。
- Better crop growth provides better crop canopies which give better protection to the soils; 通过施肥达到良好的土壤和作物管理措施也降低地表水的径流速度,从而使地表径流入渗时间延长。
- Half the fruit crop froze out in the sudden cold. 一半的水果作物在突如其来的寒流中被冻死。
- Rice is the chief crop in this ares. 稻子是这一地区的主要作物。
- We had a poor crop of raspberries this year. 今年我们的悬钩子歉收。
- The farmer paid 3 laborers to gather the crop. 农场主雇佣3名工人收割庄稼。
- Part of every crop is saved for seed. 每一种庄稼都留一部分作种子。
- His shot beat the goalkeeper neck and crop. 守门员根本挡不住他射门。
- He fell neck and crop off the horse. 他从马上倒栽葱地摔了下来。
- The farmer paid 3 labourers to gather the crop. 农场主雇佣3名工人收割庄稼。
- Bad weather is responsible for the poor crop. 坏天气是收成不好的原因。
- Too much rain accounted for the poor crop. 太多的雨水导致庄稼歉收。