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- The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human-made factors, such as irrigation patterns and cultivating system. 盐渍化土壤类型主要为典型盐土、沼泽盐土、碱化盐土和干旱盐土。
- An experiment was carried at three rates of irrigation amount (low, middle and high, in order to investigate the effect of irrigation patterns and intercropping on the yield and edge effect of wheat. 摘要采用大田试验,研究了低、中、高灌水水平下交替灌溉间作小麦和单作小麦的产量及边行效应。
- Therefore, under sprinkler andflood irrigation pattern and different irrigation amount, the soil nutrient profile is quitedifferent, which causes wheat absorpt nitrogen differently. 在不同的灌水方式、灌水量条件下,土壤养分剖面也是不同的。从而导致了小麦吸氮量的差异。
- well-canal combined irrigation patterns region 井渠结合灌区
- gathers flows the separation irrigation pattern 蓄流分离式灌溉模式
- We used the money to set up an irrigation project. 我们把钱用在兴建灌溉工程上了。
- They are digging irrigation ditches. 他们在挖灌溉渠。
- This cloth has a pattern of blue and white squares. 这种布有蓝白格子的图案。
- The economy should be shaped to a new pattern. 经济应该适合于一种新的模式。
- They like new patterns of family life. 他们喜欢新的家庭生活方式。
- He patterns himself upon his father. 他模仿父亲。
- Irrigation is needed to make crops grow in dry regions. 干旱地区需要灌溉才能使作物生长。
- Effects of different irrigation patterns on growth and nitrogen utilization of spinach under open field cultivation 灌溉方式对露地菠菜的生长及氮素利用的影响
- He roughed in the curves he intended his pattern to take. 他粗略地勾出了他设想中图案的曲线。
- The curtains had an elaborate pattern of flowers. 窗帘上绘有精美的花卉图案。
- Irrigation is needed to make crops grow in dry area. 要使庄稼在乾旱地区生长就需灌溉。
- Irrigation is needed to make crops grow in dry areas. 要使庄稼在乾旱地区生长就需灌溉。
- Water is channelled through a series of irrigation canals. 把水引入一系列灌溉渠中。
- An open, crisscross pattern or weave. 格子细工开放式交叉结构或编织法
- So as to conform to a type, standard, or pattern. 纯粹地符合类型、标准或模式地