Nasturtium officinale是什么意思

用法例句

Status quo of paddy field and future development in Jiamusi City;

佳木斯市水田现状及今后发展方向

Study and application of water saving irrigation technology in paddy field irrigation area;

水田灌区节水灌溉技术的研究与应用

Effects of nitrogen levels on dry matter distribution in different position leaves and yields of flue-cure tobacco on an upland and a paddy field;

施氮量对水田与旱地烤烟不同叶位干物分配及产量的影响

Transportation of water and salt in paddy soils of sodic saline region;

苏打盐碱土地区水田水盐运移模拟与预测研究

Field experiments located in mid-subtropical China were conducted with the closed chamber method to investigate the effects of land use pattern (upland and paddy) on red soil CO_2 evolution and its related factors including soil temperature, soil moisture, dissolved organic carbon and microbial biomass carbon.

采用静态箱法研究了我国亚热带红壤区农田利用方式 (旱地或水田 )对土壤 CO2 排放及其相关因子的影响 ,并估算了旱地和水田 CO2 的年排放通量。

Adopting field cultivated test and combining with the method of room analysis, the growth of succeeding rice in paddy winter cropping L.

采用野外栽培试验和室内分析相结合的方法，对水田冬种黑麦草后水稻的生长发育以及土壤理化、生物性状的变化进行了研究，旨在进一步确证冬种黑麦草对后作水稻的增产效应并初步探讨这一效应产生的机理。

The experiment lasted 46 days,and the results indicated that:respiration speed of forest soil was higher than that of paddy soil during the whole experiment period,especially in the prophase;after the soil respiration speed was steady,the dynamic change of soil respiration speed of forest-soil and paddy-soil was consiste.

结果表明:在整个培养时段,林地的土壤呼吸速率始终高于水田,并且这种变化在培养前期更为明显。

Through ecological techniques,integrated farming of rice field can decrease the use of pesticide,herbicide and chemical fertilizer.

水田立体开发通过生态技术减少杀虫剂、除草剂和化肥使用量,是绿色稻米生产的有效途径、农业产业结构调整和可持续发展的方向。

Integrated farming rice field has remarkable economic,environmental,and social profits.

水田复合种养既具有显著的经济效益,又具有突出的环境效益和社会效益。

In this paper,mechanism and effect factors of pyrethroid to aquatic organisms were reviewed.

本文综述了菊酯类农药对各种水田生物的急性和慢性作用机制、影响因子,提出拟除虫菊酯类农药能否在水田应用需要进行深入系统的研究论证。