Also rape seed yield per area in the mix cropping system was the highest.
间作与混作处理的油菜产量在可比面积上比油菜单作产量高，其中混作产量最高。
ABSTRACT: Organic farming is considered more sustainable than conventional cropping system.
摘要：相比传统的葡萄种植方法，有机栽培法被认为更加环保。
The most important limiting factor for wheat yield in this cropping system is late planting.
该种植方式中最重要的小麦限产因素是迟播。
Littleseed canary grass is a major weed in wheat field particularly in the rice-wheat cropping system.
草是小麦田的主要杂草，尤其是水稻-小麦复种田块发生较为严重。
Soil denitrification was studied in winter wheat-summer maize rotation cropping system with an aquic cambisol.
在北京潮土上研究了冬小麦-夏玉米轮作体系下土壤氮素反硝化损失。
The results implied that cropping system and water status of previous cropping impacted N2O emission from paddy soil.
轮作制度和前作水分状况极大地影响稻田N2O的排放。
The authors put forward a method of cropping system spatial distribution optimization based on GIS and gene algorithm.
提出了一种以GIS为平台，遗传算法为优化模型的县域种植制度空间布局优化方法。
The attempts had demonstrated potential and clearly pointed to a possible sustainable evolution of the cropping system.
这些努力显示了良好的发展潜力，并且明确预示着耕作制度向着可持续性方向的演进。
The study results may provide theoretic basis for drawing up the decision scheme of cropping system in dry-land regions.
研究结果可为制定合理的旱区种植制度决策方案提供理论依据。
Application of nitrogenous fertilizer to early rice at the ear primordia stage under the triple-cropping system was studied.
对三熟制早稻用氮素化肥作穗肥进行了研究。
Zhongmian 16 is a new cotton variety with higher and constant yield, which is suitable for cotton-wheat double cropping system.
中棉16是适于麦棉两熟的丰产、稳产夏播棉新品种。
During 1981-1987, the fixed position observation was conducted in different patterns of multiple cropping system of paddy fields.
1981年至1987年，对稻田不同多熟种植方式进行了定位观察。
The rational cropping system is propitious to solve the conflict between soil fertility and crop season, and can achieve high yield and low cost.
合理耕作轮作，有利于解决地力矛盾和季节矛盾，实现高产、稳产、低成本。
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。
The others such as previous crops, sowing way for maize, cropping system and the climate were indirect factors, which affected the sowing date or amount of planthopper.
前茬作物、播种方式、耕作制度和气候条件等都通过影响玉米的播期或灰飞虱的发生数量来间接影响当地或当年病害发生的轻重。
The successful experience of spreading a variety to be applied in production should be depend on combining the elite cultivar with cultural technique and cropping system.
一个品种在生产上应用推广的成功需要借助于良种、良法、以及与之适宜的耕作制度的配套。
In the model, the leaf area index (LAI), crop coefficients, and root penetration and distribution were simulated for the winter wheat and summer corn double cropping system.
模型对冬小麦—夏玉米轮作体系作物叶面积指数、作物系数、根系生长与分布进行了模拟。
A field experiment was conducted with rice plants to assess the effects of integrated fertilization on heavy metal balance in soil-rice cropping system and rice hygienic quality.
通过田间试验研究了有机无机肥配施对土壤-水稻系统重金属平衡的影响。
Strictly using meteorological observation method, dynamic changes of soil temperature in wheat sping cotton relay cropping system during theirs common growth period were studied.
严格用气象部门的观测方法 ，观测麦套春棉共生期间土壤温度的动态变化。
The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied.
通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
The factors affecting soil fertility are: river harnessing, fertilizer application, and the changes in cropping system and land utilization after the adoption of high yield hybrid verities.
影响肥力变化的因子包括河流治理、施肥、高产品种使用后种植制度和土地利用程度的变化等等。
The impact of climatic change on sustained agriculture in China is analysed according to the crop productivity and yield, cropping system, regional agricultural production and production cost.
并从农作物生产力和产量、种植制度、区域农业生产及生产费用等几方面分析了气候变化对中国持续农业的影响。
To investigate a new type of low stress precision cropping system, it is necessary to obtain the feasibility that the heat stress was used to prefabricate the ideal crack of V-shaped notch tip.
针对研究新型低应力精密下料系统时，需要获得热应力预制V型槽尖端理想裂纹方法的有效性问题。
The historical evolution of tillage system in China can be divided into four stages: abandoning cropping system, fallow cropping system, rotational cropping system, and intensive cropping system.
我国农作制度的历史演进过程大致可以划分为四个时期，即撂荒制、休闲制、轮种制和集约制。
How is even a full-time network administrator or system administrator going to keep up with all the different intrusions that are out there, especially when new ones are cropping up every day?
即使是专职网络管理员或系统管理员，也无法应付所有不同的入侵，而且新的入侵每天都会出现。
Dry farming; dryland farming a system of producing crops in arid and semiarid regions without the use of irrigation. Frequently alternate years of fallow and cropping are practiced.
旱地耕作法指一种在干旱或半干旱土地上不使用灌溉方法生产作物的耕作制度。常常采用一年休耕、一年种植的方法。
The results shown that after cucumber harvest, there was significant difference in different cropping model on soil bio-characteristics and system productivity.
结果表明，冬春茬黄瓜收获后采用不同的种植模式，其系统生产力与土壤生物特性发生明显变化。
The results shown that after cucumber harvest, there was significant difference in different cropping model on soil bio-characteristics and system productivity.
结果表明，冬春茬黄瓜收获后采用不同的种植模式，其系统生产力与土壤生物特性发生明显变化。
应用推荐