water management in rice field

Research advance of nitrogen fertilizer losses from paddy field;

水稻田中氮肥损失研究进展

Some 50 ha of paddy fields were contaminated and the farmlands were waste.

本研究系统调查了湖南郴州邓家塘砷污染区水稻田抛荒后自然恢复的植被和旱地 (蔬菜) 两大农业土地利用类型的植物中砷含量, 分析了当地居民砷暴露途径, 并进行污染区健康风险评估。

The dynamic characteristics of phosphorus(P) in surface water of paddy field and its potential environmental impact were studied by the independent irrigation field experiment with different P fertilizer applied rates and two compositions of P application.

:通过独立排灌式磷肥大田试验探讨了水稻田表水磷素的动态特征及其潜在的环境效应。

The ammonia volatilization on the Typic Gleyi-stagnic Anthrosol with application of common urea and controlled release urea(LP-S100) fertilizers in the rice seasons in paddy soil of Taihui region of China was modeled by Jayaweera-Mikkelsen model.

运用密闭气室通气法测定了太湖地区典型水稻田lysimeter实验中肥料施用后的稻季氨挥发动态变化和总损失量,并使用Jayaweera-Mikkelsen氨挥发模型验证了测定结果。

Distributions of seven PCBs(polychlorinated biphenyls) congeners and 13 OCPs(organochlorinated pesticides) were investigated in paddy soil section in Hongfeng reservoir area.

DDT/(DDD+DDE)的比率表明红枫湖地区水稻田中DDTs的降解速率不同,暗示其环境条件的差异。

The potential effect of herbicide mefenacet at various concentrations on cultivable microorganisms in paddy soil was investigated by indoor culture method and the soil samples were collected from the Huajiachi Campus of Zhejiang University.

以浙江大学华家池校区水稻土为材料,采用室内培养法,研究了不同浓度的外源除草剂苯噻草胺对水稻田土壤可培养微生物种群数量的影响。

In this study,a high-performance liquid chromatography(HPLC)method for the quantitative determination of the residues of prochloraz and its metabolites in paddy water and soil was developed.

采用HPLC法对稻田水土样品中咪鲜胺及其主要代谢物BTS44595、BTS44596和BTS45186的残留进行了分析与检测。

A high performance liquid chromatograph (HPLC) method for the quantitative determination of the residues of prochloraz and its metabolites (including BTS44595, BTS44596 and BTS45186) in paddy water and soil was described.

采用HPLC法对稻田水土样品中咪鲜胺及其主要代谢物的残留进行了分析与检测。

For the special conditions of moist and raining in the South,the paper introduced the construction method of filling in the first layer for rice field embankment for reference.

主要通过介绍南方潮湿多雨的特定条件下,水稻田路堤第一层填筑工艺方法,摸索和总结了路基清表后基底天然含水量大,碾压极易出现局部弹簧现象的处理方法,从而达到了质量可靠,经济合理,不拖延工期的目的。

The purpose of this experiment was to research the leakage of nitrogen at the 60 cm depth of the rice field under the conservation tillage.

以翻耕、免耕、秸秆还田3种不同农作处理,探讨保护性耕作措施对淹水稻田土壤中60 cm埋深处渗漏液铵态氮(NH4+-N)、硝态氮(NO3--N)含量动态变化的情况。

The data obtained by the recruited observational period of HUBEX over rice field area at Shouxian site from June to July, 1999 are used to investigate the bulk transfer coefficients CD, CH and CE.

利用１９９９年夏季淮河流域能量和水循环试验（ＨＵＢＥＸ）补充加强观测期间寿县观测站探测资料，计算分析了水稻田下垫表面上的整体输送系数ＣＤ、ＣＨ；和ＣＥ，并与能量平衡结果进行了对比研究。

a checkerboard of paddy fields

一片方格形的水稻田

Primary Report on Applying Sulphate-potassium Magnesium in Paddy Field

水稻田施用硫酸钾镁肥田间试验简报

The Neolithic Rice Field in the Low region of Changjiang River and the Origin of the Cultured Rice Agriculture;

长江下游新石器时代水稻田与稻作农业的起源

The canals take water to the rice fields.

水渠把水送到稻田里。

Several buffaloes are in the rice fields.

稻田里有几只水牛。

The water flows into the ditch at the edge of the rice field.

水从稻田边流进沟里.

The water gurgled into the paddy field.

水汩汩地流入稻田。

The Paddy Rice, Floating Rice and the Legend of "Bird Field" among the Ancient Baiyue People: A New Explanation

百越民族的水稻、浮稻与“鸟田”传说新解

Influences of Bt Rice on Arthropod Community in Rice Field;

转Bt水稻对稻田节肢动物群落的影响

Ethylicin Residue in Water, Soil and Rice

稻田水、土壤和稻米中乙蒜素的残留

Comprehensive effect of the water table management on the surface water quality in rice field and the growth of rice

水位管理对稻田水质及水稻生长的综合影响

Analysis of Rice,Rice Water Characteristics and Water Management Practices

浅谈水稻、稻田需水特性及水层管理方法

STUDY ON EFFECT OF RETURNING CROP STALKS TO SOIL FERTILITY WITH DIFFERENT PROMOTER OF COMPOST AND THE PADDY RICE YIELD

稻秆还田配伍不同促腐剂对稻田土壤肥力及其水稻产量的影响

Residues and Degradation of Acetamiprid in Rice, Water and Soil

啶虫脒在水稻和稻田水土中的残留及消解动态

Effects of transgenic Bt cry1Ab rice on collembolan population in paddy field

转Btcry1Ab基因水稻对稻田弹尾虫种群数量的影响

A specially irrigated or flooded field where rice is grown.

稻田一块专门灌溉的土地，水稻生长的地方

Mechanism of Soil N Supply in Paddy Soil and Reaching Optimal N Application for Rice;

稻田土壤供氮机理及水稻氮肥优化施用研究

The Influence of Hybrid Rice-glutinous Rice Intercropping on Diseases, Insects, Weed and Rice Yield;

水稻杂糯间作对稻田病虫草害及产量的影响