Micro-climate of Winter Wheat Field under the Conditions of Irrigation and Straw Mulching;
指出建立舒适的小气候环境是改善客车条件的一个重要方面。
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 result showed that N2O and NO emissions from vegetable field and winter wheat field of rice-wheat rotation systems in southeast China had different seasonal variation rules.
结果表明，蔬菜地和华东稻麦轮作生态系统冬小麦田的NO和N_2O排放具有不同的季节变化规律。
The result of the field application has shown that the model has a high precision in simulating the water dynamic state and "five kinds of water" interrelation in winter wheat field.
经大田初步试验表明，该模型对于模拟麦田水分动态和“五水”转化关系具有较高的精度。
Wheat farmers there traditionally plant winter wheat one year, leave the field fallow for a season, and use conventional tillage before the next wheat planting.
传统上，那里的小麦种植户每年都种植冬小麦，让土地休耕一季，在下一年小麦种植时应用常规耕作方法。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。
Influences of environmental factors on water use efficiency (WUE) of winter wheat grown in field under different water treatment were studied.
对干湿两种水分处理下农田冬小麦群体水分利用效率与环境因子的关系进行分析。
A field experiments was conducted to study soil moisture and water potential changes in farmlands with a shallow water table during summer maize and winter wheat seasons.
通过对夏玉米和冬小麦生长季节期间土壤水动态观测试验，探讨了地下水浅埋条件下土壤水动态的变化规律。
Field trials were made on winter wheat, maize and rape, the results show a sharp yield increase by the application of these sludge fertilizers.
加工复合微生物肥料。对试制的污泥肥进行冬小麦、玉米、油菜施肥试验，结果表明污泥肥可使作物大幅度增产。
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。
Field tests ware executed to verify the performances of the instrument at the period of winter wheat and summer corn.
针对冬小麦和夏玉米两种作物，对仪器的性能进行了田间试验验证。
The field plot experiment was conducted to study the difference of Nitrogen Use Efficiency in 10 winter wheat cultivate (genotype) on the loess plateau.
本文采用田间小区试验研究了渭北旱塬农业生产中现行10个冬小麦品种的氮效率差异。
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。
A field experiment was conducted to study the influence of black fluid-film mulched covered winter wheat in dry land on soil microhabitats and yield.
采用田间小区试验研究了黑色液膜覆盖旱地冬小麦对土壤微生境及产量的影响。
Field experiment was conducted to investigate the effects of treflan injection on dripper clogging and root distribution, yield and quality of winter wheat.
通过田间试验，研究了地下滴灌施加氟乐灵对滴头根系入侵堵塞的控制效应及其对冬小麦产量、品质和根系分布的影响。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
通过盆栽试验研究了根修剪对冬小麦根系效率、水分利用及产量形成的影响。
This test under artificial control is used to determine the productive capacity of water stored by "soil reservoir" and the field water consumption and its consumption coefficient of winter wheat.
试验在人工控制条件下，测定了“土壤水库”贮水的生产能力，冬小麦的田间耗水量与耗水系数。
Effect of fertilizers on rain fed winter wheat and its requirement characters in an extremely desiccative year were studied in 1994~ 1996 by using regression design and field investigation.
采用四因子二次通用旋转组合设计，结合大田调查与土壤肥力测试，于1994～1996年在浮山县张庄乡，对特大干旱年旱地冬小麦的施肥效应及需肥特点进行了研究。
Based on field experiment, the model of water transfer and consumption, crop water (-fertilizer)-production function of winter wheat and their application were studied.
在田间试验的基础上，对冬小麦农田水分消耗与转化、水分及水肥生产函数模型及其应用进行了研究。
The effect of different plant densities on root growth in winter wheat was studied in field and pot culture experiments.
在大田和盆栽条件下，研究了种植密度对冬小麦根系的影响。单株次生根随密度增加而减少，且因生育期进展其影响更为显著；
The fate of nitrogen fertilizer in current crop and succession crops in winter wheat and summer maize rotation system were studied using field 15n micro-plot.
采用田间微区15n示踪试验研究了肥料氮在冬小麦、夏玉米当季和后茬的去向。
The fate of nitrogen fertilizer in current crop and succession crops in winter wheat and summer maize rotation system were studied using field 15n micro-plot.
采用田间微区15n示踪试验研究了肥料氮在冬小麦、夏玉米当季和后茬的去向。
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