Based on the investigation on Hebei farmers in 2000 and 2002, consumption structure of fertilizer varieties are analyzed on winter wheat and maize.
2000年和2002年对河北农户冬小麦和玉米施用肥料品种结构的调查结果表明，施肥中普遍存在重冬小麦而轻夏玉米的现象。
Results indicated that future temperature increase would be favorable to the production of both winter wheat and maize. The yield increase of maize would be more than that of winter wheat.
结果表明，温度升高对小麦和玉米生产有利，玉米产量的提高大于小麦；
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。
Winter wheat yield was more sensitive to rainfall and spring maize yield more influenced by previous crop stubbles in rotation system.
在轮作条件下，冬小麦的产量更容易受到降水的影响，而春玉米的产量更容易受茬口的影响。
In this paper, root samples of winter wheat and spring maize under intercropping were taken with large-bore soil auger, and the dynamics of their spatiotemporal distribution were studied.
采用大口径土钻对间作种植模式下冬小麦与春玉米根系进行取样，分析了两种作物根系的空间分布及动态变化规律。
The results showed that EM microbial compost increased winter wheat and summer maize yields significantly.
结果表明：em微生物堆肥能明显增加冬小麦和夏玉米的产量。
A soil moisture balance equation that is applicable for winter wheat and summer maize in the Huanghe-Huaihe plain was adopted as the soil moisture model.
土壤水分模型采用适合于黄淮平原冬小麦、夏玉米等作物的土壤水分平衡方程。
Baoding plain is a primary bread basket in Hebei province, winter wheat, maize and cotton are the main crops.
保定平原是河北省主要的粮食主产区，农作物以冬小麦、夏玉米和棉花为主。
The effect of different rainfall years and different water and nitrogen management ways on winter wheat and summer maize was studied in northern part of north China Plain.
在华北平原北部研究了不同降水年型、不同水氮管理措施对冬小麦和夏玉米产量和氮素平衡的影响。
The system could browse or query the "fitting" and "disaster" index in whole grow phase of winter wheat, summer maize and cotton in Henan.
该系统针对河南省主要的农作物——冬小麦、夏玉米和棉花进行全生育期“适宜”和“灾害”气象指标的浏览查询。
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 production effects and action mechanism of applied EM biological-organic fertilizer to winter-wheat and summer-maize under the typical cropping systems of the Huabei area in china were analyzed.
本实验是在十年研究的基础上，在华北地区小麦—玉米典型耕作制度下，对土壤长期施用EM生物有机肥，研究其对冬小麦和夏玉米的生产效果与作用机理。
The production effects and action mechanism of applied EM biological-organic fertilizer to winter-wheat and summer-maize under the typical cropping systems of the Huabei area in china were analyzed.
本实验是在十年研究的基础上，在华北地区小麦—玉米典型耕作制度下，对土壤长期施用EM生物有机肥，研究其对冬小麦和夏玉米的生产效果与作用机理。
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