At present, nitrogen pollution in the groundwater caused by fertilizer irrigation in the agricultural area has become an environmental problem of interest to the people.
当今农业地区灌溉施肥引起氮素对地下水的污染已成为人们普遍关注的环境问题。
The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
Fertilizer irrigation experiment showed that distributions of both fertilizer and water applied through sprinkler system can be represented by an approximate similar normal distribution function.
喷灌施肥的试验结果表明，化肥施入量与灌水量的分布都可以用正态分布来表示，且它们的分布比较接近。
The Bank is working on irrigation and water management in Ethiopia, fertilizer use in Malawi, market access for smallholders in Senegal, and crop diversification in Mali and Uganda.
世行正在进行的工作包括埃塞俄比亚的灌溉和水务管理、马拉维的化肥使用、塞内加尔小农户的市场利用、以及马里和乌干达的农作物多元化。
A custom irrigation system keeps the felt moist with a fertilizer solution modeled after the rainwater that trickles through forest canopies.
特制的不规则灌溉系统仿效林冠覆盖，涓涓不断地输送肥料溶液滋润着毛毡。
Crop yields are painfully low, but improving production of staples demands emissions-heavy fertilizer and irrigation technologies.
作物产量低得可怜，但若想提高粮食产量，就需要使用排放严重的肥料和灌溉技术。
For optimized irrigation, water and fertilizer are conveyed directly from the pipelines to the roots of the plants.
可以使从管道到植物根的灌溉水和肥达到最佳值。
The pollutions were related to soil, fertilizer, irrigation water and air.
污染和土壤、肥料、灌溉水及空气有关。
The probability of reduced irrigation frequency after the spring and all fertilizer as base fertilizer was discussed in this paper.
文中讨论了减少冬小麦春后的灌溉次数和全部肥料作为底肥施用的可能性。
Main: grass cutting machines, cutting irrigation machines, Hedgerow machines, fertilizer planter, chain saw, grass seed, gardening design, gardening projects, garden equipment accessories.
主营范围：剪草机、割灌机、绿篱机、施肥播种机、油锯、草种、园艺设计、园艺工程、园林设备配件。
This technology can reduce pesticides and chemical fertilizer pollution, to save irrigation water and to raise the fertilizer efficiency.
该技术能减少农药、化肥污染，节省灌溉用水和提高肥料利用率。
In these conditions careful management of the irrigation and fertilizer programs is important.
此种条件下细心管理灌溉和施肥计划至关重要。
Taking the intelligent, automatic, accurate irrigation and fertilizer control as study object, this paper introduces the configuration, working principles and function of intelligent irrigation.
以智能化、自动化、精确化的灌溉和施肥控制作为研究对象，介绍了智能灌溉控制的系统结构、工作原理和功能要求。
The waste-water irrigation has brought considerable benefits of water and fertilizer efficiency to agricultural production.
因此，污水灌溉给农业生产带来了可观的水、肥效益。
With different spike types of rice varieties as materials, the field experiments on the effects of fertilizer and irrigation on cooking quality were carried out.
以不同类型北方粳稻品种为试材，研究了中肥节水灌溉、高肥节水灌溉、高肥正常灌溉、中肥正常灌溉处理对垩白的影响。
It is very important that regulating techniques of water fertilizer and chemistry hormone have already been used to mulch drip irrigation cotton.
水、肥调控和化学调控技术对膜下滴灌棉花高产群体质量的建成具有十分重要的意义。
With different spike types of rice varieties as materials, field experiments on effects of fertilizer and irrigation on cooking qualities were carried out.
以不同类型水稻品种为材料，研究了中肥节水灌溉、高肥节水灌溉、高肥正常灌溉、中肥正常灌溉处理对粳稻蒸煮品质的影响。
The tractor's computer then delivers varying amounts of irrigation water, seed, fertilizer, and pesticides to optimize the production of the land as its condition varies yard by yard.
由于每一码土地的情况都不尽相同，拖拉机的计算机会根据土壤的具体条件，提供相应数量的灌溉用水、化肥、杀虫剂以使土地的产量达到最优。
Based on indoor experimental data, the laws of the water and fertilizer under film hole irrigation were researched in the different way of fertilization and the experimental phenomena was explained.
通过室内试验，研究了在不同施肥方式情况下膜孔灌自由入渗的水分和肥料分布规律，并对试验现象作了进一步解释分析。
Field experiments on the coupling effect of water and fertilizer on the intercrop ofpeanut and maize with sprinkler irrigation have been conducted.
对喷灌条件下花生玉米间套种植模式中的水肥耦合效应进行了田间试验研究。
The quality of crop could be improved when chelated fertilizer was supplied with irrigation.
螯合肥灌溉施用的方式可以改善作物的品质。
There is a calculatedly abundant use of fertilizer and irrigation.
在经过周密计算之后充分使用肥料和灌溉。
The research situation on water and fertilizer transport in soil under fertigation through drip irrigation systems is reviewed in this paper.
对滴灌施肥灌溉条件下水分和养分运移的研究进展进行了总结。
Phosphorus status in rice plant were studied under water saving irrigation and different fertilizer application systems.
研究了节水灌溉条件下、不同施肥制度水稻植株对磷的吸收状况。
The relationship between nitrate fertilizer application and cultivated conditions such as soil fertility, preceding crop, plant density and irrigation etc.
本文对马铃薯经济施肥量与土壤、前作、密度、灌溉等栽培条件的关系进行了定量研究。
Research about how to apply fertilizer under this new irrigation method was fewer.
然而在这样的灌水方式下，怎样合理施肥的研究还略显不足。
Based on field fertilizer experiment of cotton under drip irrigation in the area, cotton nitrogen diagnosis and nitrogen fertilizer recommendation with soil inorganic nitrogen quick test was st.
在南疆滴灌条件下进行氮肥大田试验，对应用土壤无机氮测试进行棉花氮素营养诊断及氮肥推荐进行了研究。
Field experiments on the coupling effect of water and fertilizer on the intercrop of summer corn with drip irrigation have been conducted.
对滴灌条件下麦行间套播的夏玉米水肥耦合效应进行了田间试验。
Cotton canopy structure and yield was determined and analyzed in different water and fertilizer conditions under mulch drip irrigation (MDI) with Xinluzao no. 7 as the test material.
以新陆早7号为试材，进行了不同水肥条件下膜下滴灌棉株群体冠层结构测定和产量结果分析。
Cotton canopy structure and yield was determined and analyzed in different water and fertilizer conditions under mulch drip irrigation (MDI) with Xinluzao no. 7 as the test material.
以新陆早7号为试材，进行了不同水肥条件下膜下滴灌棉株群体冠层结构测定和产量结果分析。
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