Cropping system是什么意思

网络释义

用法例句

Researches on cropping system of farm crops based on water saving and benefit raising;

农作物节水增效种植制度研究

Analysis of different cropping systems using optimizing water-nitrogen management on yield,water and nitrogen utilization and economic benefits;

华北平原水氮优化条件下不同种植制度产量、水氮利用及经济效益分析

Design and implementation of a knowledge model system for decision-making on cropping system;

种植制度知识模型系统的设计与实现

pH and the exchangeable aluminum content in acid soils as affected by parent materials and cropping systems;

成土母质和种植制度对土壤pH和交换性铝的影响

From April to May of 2005 and 2006,investigations and statistical analyses in Kaifeng and Fengqiu were conducted on weed community in winter wheat fields with different cropping systems,including wheat-corn and wheat-rice fields.

2005、2006年4～5月份,对开封和封丘地区的小麦-玉米和小麦-水稻两种种植制度条件下冬小麦麦田杂草群落结构进行调查和统计分析。

One is about establishing evaluation method of cropping systems with high water use efficiency based on water resource security.

本文是针对我国农业水资源紧缺和发展节水高效型农业的迫切需要，利用中国农业科学院洛阳旱农试验基地1999-2004年不同种植制度试验数据，通过构建适宜种植制度下的农业水资源安全评价体系和综合效益评价体系，进行了基于水资源安全的节水高效种植制度红绿灯评价方法及试验性评价研究。

Farming systems of vegetable soybean production in China are quite complicated.

中国菜用大豆有单作、间套作和田埂豆等种植形式 ,种植制度相当复杂。

Based on analyses of natural condition and the characteristics of slope cultivated land in Three Gorge Reservoir Area,the authors probed into the farming systems of slope cultivated land in relation to soil and water conservation,and came to the conclusion that.

在分析三峡库区自然条件与坡耕地资源特点的基础上，讨论了坡耕地种植制度与土壤侵蚀的关系，提出通过合理搭配作物种类进行多熟制间套作，一年生农作物与多年生经饲作物（如黄花菜、饲料牧草）间作及农作物与木本植物（活篱笆）等高间作等手段来建立坡耕地水土保持种植制，从而达到减轻土壤侵蚀之目的。

Effect of long-term K fertilizer application and returning wheat straw to soil on crop yield and soil K under different planting systems in northwestern China;

长期施钾与秸秆还田对西北地区不同种植制度下作物产量及土壤钾素的影响

These new strains of seed lend themselves to the reformed cropping system.

这些新品种很适应这种改革了的种植制度。

Mechanisms of Cropping System Evolutionary in Tailake Region and Its Enlightenment.;

太湖地区种植制度的演变及其对当前种植结构调整的意义

Harvest date may be moved up by7-21 days depending on the cropping system and environmental conditions.

收获期依种植制度和环境条件，可提前7~1天。

Harvest date may be moved up by 7-21 days depending on the cropping system and environmental conditions.

收获期依种植制度和环境条件，可提前7~21天。

The Energy Balance of Rice-Based Cropping Patterns in the Philippines

菲律宾以稻为基础的种植制度能量平衡状况

Study on Cropping System for Water Conservation and Its Assessment in Luoyang City;

洛阳市节水型种植制度研究与综合评价

Studies on the Evaluation of Cropping Systems with High Water Use Efficiency Based on Water Resource Security;

基于水资源安全的节水高效种植制度评价研究

Study on Sustainable Nutrient Management in Wheat-Maize Double Cropping System;

小麦-玉米种植制度可持续土壤养分管理研究

Investigations on the Multicropping System of Cotton and Its General Applications in the Handan City;

邯郸棉田多熟种植制度调查及推广问题研究

A Study on Function and Benefit of New Type Cropping System in Ningxiang County of Hunan Province;

湖南省宁乡县新型种植制度功能效益研究

Discussion of Agricultural Resources Status and Cropping System of Tibet;

试论西藏农业资源状况与种植制度发展

Cultural System s Adjustment and the Floodrefuge Agriculture in the Plain of Hubei and Hunan;

两湖平原种植制度调整与农业避洪减灾策略

The Evolution of Cropping System and Development Strategies in Aksu Oasis

阿克苏绿洲种植制度演变规律及发展对策

Dynamic Study on Soil Nutrients of Maize-rice Cropping System in Shaoyang

邵阳市玉米稻种植制度的土壤养分动态研究

The Favorite Situations of the Protection of New Varieties of Plants in China

我国植物新品种的制度保护现状刍议

Study on PVR Holders Decision-Making in Infringement Cases under PVP;

植物新品种保护制度下品种权人维权决策研究

A mechanism of plant species coexistence: the negative density-dependent hypothesis

植物群落物种共存机制:负密度制约假说

Factually,Indian caste system is a system of value growing from the cleaning conceptions of Hinduism.

从根本上说,种姓制度是一种根植于印度教洁净观念的价值体系。