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。
The research situation on water and fertilizer transport in soil under fertigation through drip irrigation systems is reviewed in this paper.
文中介绍的一种灌溉技术叫做施肥灌溉，通过滴流灌溉系统把水和养分供给作物。
One of these technologies is fertigation, which is the direct application of water and nutrients to plants through a drip irrigation system.
因此，HYDRUS - 2d软件可以作为预测滴灌施肥灌溉条件下水分和氮素在土壤中运移的有效工具。
It is concluded that the HYDRUS-2D software can be used to implement water and nitrate transport in soil under drip fertigation.
对等密度107杨幼龄林进行一次性施肥灌溉措施对比试验，结果表明，一次性水肥措施对其幼林未郁闭前各龄期胸径生长量和郁闭度均有促进作用。
Comparative experiments was conducted on the effect of one-time irrigation and fertilization on the DBH and crown density of young 107 poplar plantations of even planting density.
中国农民一直沿用诸如施肥、灌溉等技术来增加土地的产先量。
Farmers in China have long used techniques such as fertilizations and irrigation to make their land produce more.
中国农民很长时间来就利用像施肥和灌溉这样的技术来使得土地生产更多的粮食。
Farmers in China have long used techniques such as fertilisation and irrigation to make their land produce more.
一种作物可以均匀一致地进行播种，除草，灌溉和施肥。
A crop can be sown, weeded, irrigated, and fertilized uniformly.
依据流体动力学原理，利用日光温室管网灌溉的静压能和文丘里管的特性，设计出在日光温室正常灌溉情况下的自动施肥系统。
An automatic topdressing system was designed on the base of the principle of hydrokinetics using energy of static pressure for pipe irrigation and the feature of Venturi pipe in solar greenhouse.
该成果可为农田的定位施肥、灌溉以及其它的农田精细管理提供依据。
All these results can serve as a basis for precision fertilization, precision irrigation and precision management in farm.
解决这一问题需要从土壤管理、施肥、灌溉、耕作、政策等多方面采取措施。
To solve the problems needed many measures including soil manage, fertilization, irrigation, farming policy etc.
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。
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.
有时我测量灌溉，给撒种的土地施肥，然后跟踪并预测庄稼收成。
Sometimes I measure irrigation and fertilization of a seeded area and follow it up with estimates of crop yield.
此种条件下细心管理灌溉和施肥计划至关重要。
In these conditions careful management of the irrigation and fertilizer programs is important.
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。
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.
对退化赖草地采取施肥、灌溉、耕翻及划破草皮等综合措施进行了试验研究，结果表明，以上措施可明显提高草地生产量。
The yield of grass could be obviously increased by taking measures of fertilization, irrigation, plough and scarification to the retrogressive Leymus grassland.
修剪，施肥，化学细化和灌溉影响'嘎拉'苹果果实大小和作物的价值。
Pruning, fertilization, chemical thinning and irrigation affect 'Gala' apple fruit size and crop value.
氮素是植物必要的营养元素之一，其主要来源有：生物固氮作用、降雨和灌溉水以及人工施肥。
Nitrogen for plant nutrition is mainly obtained from three sources: nitrogen-fixing plant, rain water and manure.
提高天然草地饲用植物经济价值的基本途径是施肥、灌溉、补播和混播豆科牧草及采取合理的利用方式。
The basic ways of improvement of natural grassland fodder plant economic value are grassland fertilization, compensatory seed planting and sowed leguminous grass and selected rational utilizable way.
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。
Taking the intelligent, automatic, accurate irrigation and fertilizer control as study object, this paper introduces the configuration, working principles and function of intelligent irrigation.
这些农田土壤的种植、翻耕、施肥、灌溉等管理措施不仅改变着农田生态系统中的化学元素循环，且给全球气候变化带来影响。
The management, such as plough, fertilization and irrigation etc. have not only changed the nutrient cycling in the farmland ecosystem system, but also brought influences to global climate.
该成果可为城郊农业的定位施肥、灌溉以及其它的农田精细管理提供依据。
All these results could serve as a basis for precision fertilization, irrigation and management in suburb farms.
并初步讨论了滴灌条件下不同灌溉施肥时段对尿素转化运移规律的影响。
Besides, we discussed the effects of different fertilization period on the principles of Urea-N transformation and transport under drip-irrigation in this paper.
在水肥异区交替灌水条件下，灌溉水和肥料养分向未灌水区或未施肥区的运动对于这种水肥空间耦合方式较高产量和水分利用率的形成具有重要意义。
In AIFU, movement of water and fertilizer nutrients to the opposite furrow is very important to get a high yield and water use efficiency for this coupling way.
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。
Phosphorus status in rice plant were studied under water saving irrigation and different fertilizer application systems.
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。
The relationship between nitrate fertilizer application and cultivated conditions such as soil fertility, preceding crop, plant density and irrigation etc.
研究了两种施肥水平条件下根区局部灌溉对甜玉米叶片光合、叶面积、干物质积累和水分利用的影响。
Effect of partial root-zone irrigation on the photosynthesis, leaf area, dry mass accumulation and water use of sweet corn under two fertilization levels was studied in this paper.
应用盆栽法研究了氯在烤烟中的分布以及土壤、施肥与灌溉水含氯量对烟叶氯含量与分布的影响。
Potted cultivation was used to study the chloride distribution in different tobacco plant organ, and the relation of chloride content with soil, applied fertilizer and irrigated water in tobacco leaf.
同时，根据试验资料，建立非充分灌溉和施肥条件下的水肥耦合函数，并分析其水肥耦合效应，为稻田水肥管理和预测产量提供参考。
Water and nitrogen fertilizer interaction coupling effects were analyzed. The reference for the region's water and nitrogen management and the estimate yields can be provided by all the work.
同时，根据试验资料，建立非充分灌溉和施肥条件下的水肥耦合函数，并分析其水肥耦合效应，为稻田水肥管理和预测产量提供参考。
Water and nitrogen fertilizer interaction coupling effects were analyzed. The reference for the region's water and nitrogen management and the estimate yields can be provided by all the work.
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