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 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 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。
The crop water stress index (CWSI) model for monitoring summer maize water stress in North China Plain (NCP) was set up in this paper.
探讨并建立了适合于中国华北地区夏玉米水分状况监测的作物水分胁迫指数(CWSI)模型。
The experiment showed that with the depth of soil, soil moisture inclined to stabilization, but SMBS affected soil moisture of every layer and consuming water depth of summer maize.
得出土壤体积含水率随深度的增加而逐渐趋向稳定，但底墒影响各层的水分含量和夏玉米的耗水深度。
The growth and grain yield of summer maize in three kinds tillage management of no tillage, moldboard plowing and sub-soiling under two conditions of stubble mulch and no mulch have been conducted.
对小麦机械收获后残茬覆盖与不覆盖两种条件下免耕、翻耕和间隔深松三种土壤耕作方式夏玉米的营养生长及籽粒产量进行了研究。
The article is validate the influence on moisture characteristic, soil compactness, biological and vegetal characteristic of summer maize by new soil amendment use field experimentation of corn.
通过大田玉米试验，验证新型土壤改良剂对夏玉米生育期土壤水分、紧实度及玉米生理生长特性的影响。
We discussed the effects of different managements on height of summer maize, number of nodal root, leaf area, plant stem width and chlorophyll content etc.
探讨了小麦秸秆还田优化施氮、传统施氮等处理对夏玉米的株高、节根、叶面积、茎粗以及叶绿素含量等的影响；
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。
Taking bare surface as CK, this paper discussed effect of straw-mulch during wheat stage on soil water dynamic changes and yield of summer maize.
以不覆盖的处理为对照，研究了冬小麦期覆盖秸秆对夏玉米土壤水分动态变化及产量的影响。
Acetylene Inhibition method was used in a soil core incubation system to study denitrification loss from Beijing fluvial soil during summer maize growth period.
采用乙炔抑制-土柱培养法研究了北京郊区潮土上夏玉米生育期土壤反硝化状况。
Summer maize water consumption varied exponentially with maize leaf area index at the filling stage.
拔节抽雄期夏玉米耗水量与玉米叶面积系数呈正相关；
夏玉米可免耕种植。
Broad and large leaves of the maize may be the symbol of summer.
而又宽又大的玉米叶，可以作为夏季的象征。
The nitrogen release character of ZP coated fertilizer and its effect on summer maize were studied by field plot test.
通过田间试验研究了包膜肥料ZP氮素释放特点和在夏玉米上施用效果。
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。
So, production potentials of summer maize in different zoology areas need have been further explored.
说明各个生态区夏玉米生产潜力需要进一步的挖掘。
No ideal cross was found in Henan summer maize area.
测交组合在河南夏玉米区表现一般。
N2O concentration in the row is higher than in root dense zone of summer maize slightly, but not reached significant difference.
夏玉米行间产生的N2O略高于根系密集区，但二者未达显著差异。
With 12 maize varieties used as materials, the regression relationship between the leaf number index and spike differentiation were studied under the spring and summer sowing.
以12个玉米品种为材料，在春播与夏播条件下进行玉米叶龄指数与穗分化期回归关系的试验研究。
The trend for grain yield for summer maize was increasing and the meteorological factor played a very important role which occupied 31.45%.
该区夏玉米产量的增加，气象因子占有比较重要的位置，占到31.45%；
The effects of 2% solution of sucrose-based polymers in different treatments on the growth of summer maize were reported.
在夏玉米不同生长期用2%浓度的蔗糖基聚合物作叶面喷施处理。
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。
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。
Based on the analysis of field experimental data, crop water requirement and crop coefficient of straw-mulched summer maize are evaluated with dual coefficient approach recommended by FAO.
采用FAO推荐的双作物系数法计算了秸秆覆盖条件下夏玉米的作物系数。
Therefore, the objective of theis study was to evaluate these three different chlorophyll meter-based approaches for diagnosing N status of summer maize.
因而，这次研讨的主要目的就是，经过三种不同的办法运用叶绿素丈量仪就夏天玉米的含氮量停止研讨。
Therefore, the objective of theis study was to evaluate these three different chlorophyll meter-based approaches for diagnosing N status of summer maize.
因而，这次研讨的主要目的就是，经过三种不同的办法运用叶绿素丈量仪就夏天玉米的含氮量停止研讨。
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