cropping system的例句大全

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 replacement of the two-component cropping system by the three-component cropping system ( TCCS) had been a inevitable trend of the development of modern Chinese agriculture.

三元种植结构取代二元种植结构是我国现代化农业发展的必然趋势。

190~ 220 million m3 of water was used in cropping system every year.

种植业系统年用水量约为1.9～2.2亿m~3。

Study on Mode and Technique of Two Harvests Silage Maize in the Temperature Limited Region of Double Cropping System

热量限制两熟区双季青贮玉米模式及其技术体系研究

Rape seed yield per plant in the mix cropping system was 33.4% and 13.0% higher than that in the intercropping system and the sole cropping system, respectively.

油菜单株产量也以混作处理最高，比间作处理增加33.4%，比施磷单作处理增加13.0%；

But at N2, the crude fat yield of spring-sown maize in relay intercropping system was higher than that of sole cropping; and no significant differences were observed between the crude protein yield of summer-sown maize relay intercropping and that of sole cropping.

但在N2条件下，春玉米全株粗脂肪产量高于单作，夏玉米全株粗蛋白产量与单作差异不显著。

The results showed that intercropping increased crop yield, enhanced bacterial diversity and changed bacterial community composition in rhizosphere compared to sole cropping, and the effect was most pronounced in the wheat/ faba bean intercropping system when the two species at anthesis.

其中，小麦/蚕豆间作对根际细菌群落结构的影响最为突出，作物花期时小麦/蚕豆间作显著提高和改变两种作物根际细菌多样性和群落结构组成。

The cropping system in Hebei is mainly characterized by two cropping a year and cropping systems are tending to be integrated and higher efficient. The planting index increase has resulted in the enlargement of crop sowing area by 1 51 million ha compared with that in 1952;

全省稳定了以一年两熟为主体的熟制体系，种植模式向复合、高效发展，种植指数提高，相当于比1952年扩大播种面积1511万hm2。

Effects of Long-Term Continuous Cropping System of Cotton on Soil Physical-Chemical Properties and Activities of Soil Enzyme in Oasis in Xinjiang

新疆绿洲棉花长期连作对土壤理化性状与土壤酶活性的影响

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。

To separate cereal crop from forage crop and build a cropping system of cereal cash forage three units structure is an inevitable choice of solving grain problem in the Loess Plateau.

粮料分流，建立种植业三元结构是解决黄土高原粮食问题的必然选择。因此，大力发展饲料粮生产是今后黄土高原种植业结构调整的必然方向。

Nitrous oxide emissions from agricultural soils as affected by winter cropping system

冬季耕作制度对农田氧化亚氮排放的贡献

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。

A long term field experiment of a triple cereal cropping system ( barley double rice) has been carried on for 26 yrs.

在麦稻稻三熟制下进行了连续26年定位试验。

Development of Patterns of Cropping System and Soil Management and Sustainable Strategy in Liaoning Province

辽宁省耕作制度演变及可持续发展对策

The plot and stationary experiments were conducted to investigate the effects of rice-based cropping system, organic manure and groundwater level on methane emission from rice fields at Hunan Agricultural University.

采用大田小区试验和长期定位模拟试验，研究了稻作制、有机肥、地下水位对稻田甲烷排放的影响。

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

The humble opinion about the reform of the cropping system on nonirrigated farmland of Changchun

关于长春市旱地耕作制度改革的刍议

The basic agricultural production conditions were improved could help to increase corps yield and inform of cropping system.

农业基本生产条件的明显改善为种植制度改革提供了必要条件。

the system realized the functions as basic map handling, agriculture spatial information query and analysis, cropping system design, ecological distribution of farm products, cropping productivity evaluation, precision farming management, visual display of results, system maintenance and help.

系统实现了基本地图操作、农业空间信息查询与分析、种植制度设计、农产品生态区划、农作生产力分析、精确农作管理、可视化输出、系统维护以及帮助功能。