Different cropping systems also resulted in seasonal variations of methane emission.
耕作制也影响稻田甲烷排放的季节变化规律。
Monoculture practices can incorporate multiple cropping systems by using rotations, borders, and cover crops.
单一做法，可以将复种轮作系统的使用，边界，覆盖作物。
There are many types of multiple cropping systems distributing widely in HanDan country in a small proportion.
邯郸市棉田多熟种植占的比例很小，但分布较广，类型多种多样。
An even longer list of needs can be produced to integrate knowledge of these specific areas into cropping systems.
可列出更多项目将知识综合进种植制度这一特殊领域。
The agrometeorological technique for making hybrid rice seeds is applicable to zones of other rice cropping systems.
研究得到的两系法杂交稻制种技术的气象学方法可供其他熟制地区应用。
It becomes obvious that nutrient inputs significantly influence the rates of economic return in upland cropping systems.
显而易见，养分投入显著影响旱地种植制度下的经济收入。
The result further defined the relation between the different cropping systems or the farming way and the weed occurrence.
明确了关中西部麦田不同耕作制、耕作方式与杂草的发生关系。
In addition to these specific product advantages, a large amount of agronomic evidence supports the use of urea in many cropping systems.
除了这些特定的产品优点外，大量的农学事实都支持在多数种植系统中使用尿素。
The main results are as follows:1. The water equilibrium characters and efficiency of different cropping systems was researched in Luoyang.
主要结论如下：（1）对洛阳地区三种主要种植制度下的农田水分平衡状况及效益进行了全面系统分析。
Arthropod biodiversity and community structure as influenced by different winter-cropping systems in the paddy fields of Enping City, Guangdong Province.
广东恩平市稻区越冬期不同土地利用方式下主要节肢动物多样性调查分析。
The nutrient balance in different kind of crops and cropping systems, as well as the nutrient input of different farmers were similar pattern with Quzhou county.
不同作物和种植制度的养分平衡情况及不同农户的养分投入情况与曲周县的整体情况大体一致。
Thus there should be studies for finding an optimal fertilizer schedule based on a cropping system including intercropping systems rather than for a single crop only.
因此，应该研究包括间作在内的种植制度而不仅为某种作物寻找合适的施肥方案。
Gollany also is upgrading CQESTR, a computer model that simulates the effects of climate, soil type, cropping systems, and other management practices on soil organic carbon.
高兰尼也在改进CQESTR模型，也就是一种电脑模型，这种模型能够模拟气候、土壤类型、耕作制度和其他有关土壤中有机碳的管理措施。
Teasdale, J. R. 2007. Potential long-term benefits of no-tillage and organic cropping systems for grain production and soil improvement. Agronomy Journal 99, 1297–1305.
免耕与有机作物系统对谷类生产与土壤改善潜在的长期益处，农艺学杂志99，1297-1305。
The field experiments were carried out to evaluate the rice yields, economic benefits and soil fertility of ryegrass-rice and wheat-rice cropping systems under different nitrogen fertilizer rates.
通过田间试验研究了不同氮肥水平黑麦草—水稻和小麦—水稻两种种植模式的水稻产量、经济效益和对土壤肥力的影响。
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。
Currently knowledge gaps exist in relation to CA in arid and humid zones and in the context of mixed cropping and livestock systems.
目前，干旱地带和潮湿地带在保护性农业的混合栽培和畜牧体系方面存在知识鸿沟。
Currently knowledge gaps exist in relation to CA in arid and humid zones and in the context of mixed cropping and livestock systems.
目前，干旱地带和潮湿地带在保护性农业的混合栽培和畜牧体系方面存在知识鸿沟。
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