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water management in rice field 稻田水管理
Nutrient balance in rice field ecosystem of northern China. 北方稻田生态系统养分平衡研究。
The residues of 20% triazophos EC in rice field water, plant, rice shell and unpolished rice were determined by gas chromatography. 用气相色谱法测定了田间试验中20%25三唑磷乳油在稻田水、植株、土壤、稻壳和糙米中的残留。
Underground water quality in rice field under plastic film mulching cultivation was monitored during rice growth period. 对水稻覆膜旱作条件下稻田地下水水质变化作了动态检测。
SACHSEN WASSER GMBH offers information to Sewage Water Management in addition to Water management. SACHSEN WASSER GMBH是一家高级企业，该企业使用多种工艺制造废水经济,供水设施、水业务管理。
In China,pyrethroid insecticides were forbidden to apply in rice field. 但是,在中国一直被禁止应用于水田害虫防治。
The report is called the Comprehensive Assessment of Water Management in agriculture. 该报告被称为农业用水管理综合评估。
Presents waste water recycle, an important part in water management in chemical fertilizer plants. 叙述构成化肥装置水管理重要组成部分的废水循环。
An analytical method for determination of cinmethlin residue in rice (including unpolished rice, husk, straw and seeding), soil and water in rice field by GC/MS has been established. 建立了一种用于测定糙米、稻壳、植株(稻草和秧苗)、土壤及稻田水中恶庚草烷残留量的分析方法。
The report is called the Comprehensive Assessment of Water Management in Agriculture. It was released Monday at World Water Week in Stockholm, Sweden. 该报告题为农业水资源管理的全面评估，在周一被发在瑞典斯德哥尔摩的《世界水源周报》上。
The occurrence rules of rice planthopper in rice field with cultural crab was ascertained through systemic investigation and field census. 通过系统调查和大田普查相结合的方法，研究明确了养蟹稻田稻飞虱的发生规律。
The report is called the Comprehensive Assessment of Water Management in Agriculture. It was released Monday at World Water Week in Stockholm , Sweden . 报告也被称为是农业水管理的全面评估。发表在星期一的瑞典斯德哥尔摩世界水周会议上。
When field bunds which planted soybean or kept weeds, spiders density increased in rice field. 蜘蛛在稻田的密度在田埂种豆或蓄草条件下增高。
Dayu flood deeds spread to offspring, Dayu flood control has become a representative, so all in all matters concerning water management in mind to Dayu name. 大禹治水的事迹传至后代，大禹成了治水的代表人物，就把一切与治水有关的事都记到大禹的名下。
The organic matter and available N, P, K in HPR field were decreased significantly than those in rice field. 2．夏季种植杂交狼尾草比种植水稻消耗了更多的土壤有机质和速效养分，不利于后作的生长。
Explained the problem of applied wind and water management in mine excavating process, proposed some improving measures put forward and remarkable economic benefits obtained. 分析了某铜矿采掘工序在用风用水管理上存在的问题,提出了相应的整改措施,通过分步实施,取得了明显的效益。
In the same times, the degradation and residue of chlorpyrifos in rice field, the questions on the application researc... 同时文章还讨论了毒死蜱在稻田生境中降解残留、使用安全性及应用研究中存在的问题。
Juncellus serotinus (Rottb.)and Sagittaria pygmaea Miq.are very common co-existence weeds in rice field and can cause great damage to rice grwoth. 水莎草+矮慈姑是稻田常见的杂草组合，对水稻生长有较大的危害。
Moreover, the farmer's spray pattern frequently use too much pesticide in rice field, doutlessly it disbenefit on the safe of ecological environment. 此外“农民自防”模式用药量大、频次高，对生态环境和农药残留产生不利影响。
A law was passed that will improve water management in northern Nevada, a traditionally dry region that must make the most efficient use of its water in order to accommodate its growing population. 内华达州通过了一项法律来改善内北部水资源的管理，北部是一个传统上很干燥的区域，必须最有效地利用水资源来容纳日益增长的人口。