In this paper, the data from wheat irrigation experiment during 1986 ~ 1991 in the irrigation district was analysed.
讨论了作物水分生产函数的意义和模型的选用。对灌区内1986 ~ 1991年的小麦灌溉试验资料进行了分析。
The economic benefit of irrigating at topping, doming and ripening stages once respectively in maturing irrigation experiment was best.
成熟期灌水试验以打顶、圆顶、成熟各灌水一次经济效益最佳。
The parameters in the SWAP were calibrated with the data of irrigation experiment The calibrated model represented preferably the field soil water movement.
应用土壤水分实测数据对SWAP模型参数进行了率定，结果表明率定后的模型能够较好的反映出当地农田实际水分的动态变化过程。
By using the experimental device of soil moisture movement of single water storage pit and suction gauge, irrigation experiment of single water storage pit are conducted.
利用蓄水单坑土壤水分运动试验装置结合负压计进行蓄水单坑灌水试验。
According to the irrigation experiment data and research achievements of Shanxi Province, this paper determines the basic parameters of optimized irrigation system for cotton.
根据山西省多年的灌溉试验资料和研究成果，确定了棉花优化灌溉制度的基本参数。
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 influence of drip irrigation under film with saline water on growth and yield of cotton was studied through field experiment.
试验研究了膜下滴灌方式下持续利用咸水灌溉对棉花生长和产量的影响。
Through the laboratory research and field experiment, the influencing mechanisms of lateral depth in non-pressure irrigation on soil water movement and crop growth are studied.
通过室内试验和大田试验，研究了无压灌溉方式下埋管深度对水分运移和作物生长的影响机理。
The function of drip irrigation frequency, drip irrigation quota and crop yields, irrigation water productivity is established through the experiment values and data analysis.
通过试验及分析建立了春小麦滴灌次数、滴灌定额与作物产量及灌溉水分生产率的函数关系。
A field experiment was conducted to study the nutrient balance and economic benefit on winter-wheat and rice system with mid-stage effluent of ammonium sulfite method irrigation.
通过田间实验，研究亚铵法制浆中段水经土地处理的同时作为灌溉用水的农田养分平衡状况及经济效益。
In order to make an efficient work with less water, this paper made some explored experiment and raised a new irrigation model.
本文进行了探索性的实验，提出了新的灌水模式，以期用较少的水取得较高的产出效益。
Using methods of experiment and demonstration, the agronomy techniques for rainwater irrigation are studied.
采用试验与示范相结合，对汇集雨水补灌农技措施进行了系统研究。
So, a real-time irrigation control system based on plant physiological water needing information was established, and the effect experiment of irrigation control was made.
为此，本文在监测系统的基础上扩展了系统功能，建立了基于植物生理需水信息的温室滴灌自动控制系统，并进行了灌溉控制效果实验。
A field experiment was conducted to study the effects of irrigation during maturing stage on agronomic characteristics, chemical components and contents of flavor matter of flue-cured tobacco.
采用田间试验研究了成熟期灌水对烤烟农艺性状、化学成分和致香物质含量的影响。
Take orthogonal experiment to study the yields and growth of corn under the condition of different irrigation frequency, different irrigation water quota, different N/P and irrigation on film.
为了确定影响膜上灌玉米生长发育的主要因素，采用正交试验研究单种玉米小畦膜上灌条件下，不同灌水定额、灌水次数和氮磷配比对玉米生长发育和产量的影响。
The diurnal change of transpiration rate of maize in different disposals was studied in potted experiment under the alternative drip irrigation for the control of root.
以盆栽玉米为试材，研究控制性分根交替滴灌供水方式下，不同处理蒸腾速率的日变化。
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。
The economic benefit of irrigation and exposing polyethylene mulch after 35 days in the experiment with different exposing polyethylene mulch and irrigation time was best.
不同时间揭膜与灌水试验以35天揭膜后灌水的处理经济效益最好。
Field experiment for cultural practices of higher yield winter wheat was carried out on dry land without irrigation.
在莱阳等地对无水浇条件旱地冬小麦高额丰产栽培技术进行了田间试验研究。
Under field production conditions, the experiment was made to research the effect of water-nitrogen coupling on cotton development and yield under drip irrigation in 5 field spots.
通过在5个试验点田间试验研究水氮耦合对棉花生长和产量的影响。
An experiment was carried out to study changes in soil moisture in winter wheat field under the conditions of drip irrigation, furrow and ridge planting.
试验在池栽条件下研究了滴灌与垄沟耕作条件下冬小麦田间土壤水分的动态变化。
The influences of brackish water irrigation on the growth and yields of rice are investigated. Differences between the experiment and actual production, influences of utilizing brackish…
并分析了实验与实际生产中的差异，利用微咸水灌溉对环境所产生的影响，以及应注意的技术措施。
The experiment of limited irrigation indicated that the increase in value of den irrigation reached up to 58.7%.
通过有限灌水技术试验证实，穴灌的净增值率高达58.7%。
The irrigation controller is developed according to the scheme presented above, and experiment has improved that irrigation control functions can be achieved.
按照上述方案设计开发了该灌溉控制器，经实验应用，灌溉控制器可以实现相关功能。
B ase on the study of lab experiment, the characteristics of nitrogen and phosphorus transport and transformation in soil was studied under sprinkler irrigation and flood irrigation.
本文以室内土柱实验研究为基础，研究了漫灌、喷灌入渗条件下，土壤氮类、磷类化合物迁移转化的特征。
Through field experiment, the impact of different irrigation order of saline and fresh water on soil water and salt movement were studied.
在田间微咸水灌溉条件下，对不同轮灌次序进行了研究。
Plot experiment was carried out to study the effects of different irrigation methods on cucumber root characters and yield during fruiting stage, Jinchun 4 was selected as indicating crops.
采用小区试验研究了不同灌溉方式对津春4号黄瓜根系特性与产量的影响。
A pot experiment was conducted to study the water-consuming patterns of greenhouse pepper in dripping irrigation underneath mulching film, drip irrigation without mulching film and flood irrigation.
通过盆栽试验，研究了膜下滴灌、无膜滴灌和漫灌条件下温室青椒耗水规律。
A pot experiment was conducted to study the water-consuming patterns of greenhouse pepper in dripping irrigation underneath mulching film, drip irrigation without mulching film and flood irrigation.
通过盆栽试验，研究了膜下滴灌、无膜滴灌和漫灌条件下温室青椒耗水规律。
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