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- fish culture in rice field 稻田养鱼
- A Fish Culture Model in Rice Fields in Remote Areas 边疆民族地区稻鱼扶贫工程示范推广总结
- Key techniques of loach culture in rice field 稻田养鳅关键技术
- Nutrient balance in rice field ecosystem of northern China. 北方稻田生态系统养分平衡研究。
- 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。
- Technique of fish culture in paddy field 稻田养殖实用技术
- 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。
- 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。
- Fish culture in China has the advantage of long coasting, large number of inland lakes, plenty of low-cost labor source, multiple aquiculture water area, and extensity of sale market. 我国渔业行业具有区位相对比较优势,海岸线长,内陆湖泊多,拥有充足而廉价的劳动力、多种类型的养殖水域,以及广阔的销售市场;
- 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。
- 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。
- 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。
- fish culture in lake and reservoir 湖泊水库养鱼
- 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。
- New technique on puffer fish culture in cage 网箱养殖河鲀新技术
- 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。
- Techniques for Fish Culture in Ocean Cage in China 我国的海水网箱养鱼技术
- 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 new technique of fish culture in high density 高密度流水养鱼新技术研究
- It is the safest herbicide for the control of grass weeds in rice field and it will not be phytotoxic to rice in all cultivation forms from seedling to jointing stage. 是对水稻安全性最高的禾本科除草剂。各种栽培方式的水稻由苗期到拔节期使用都不会产生药害。