1)  straw mulch
草覆盖
2)  rice straw covering
稻草覆盖
1.
The results showed that for all treatments,the emergence rate of conventional model was the highest,the total yield and yield of per plant of micro-tillage with 8 cm-thick of rice straw covering was the highest,and the commodity rate of potato for no-tillage with 8 cm-thick of rice straw covering was the highest.
因此,生产上采用少耕或免耕稻草覆盖栽培方式,可提高马铃薯的产量和商品性。
3)  grass cover
生草覆盖
1.
Comporned with the cherical control orrea the ecological cotr5ol crren of loguat orchond s grass cover,whose soil nutrient was improved obviously.
枇杷园进行生草覆盖的生态控制区与化学防治区相比,土壤养分明显提高,土壤有机质、全N、速效N、有效P、速效K、pH含量分别提高了4。
2.
Grass cover system is an effective measure for orchard management of the arid and semiarid area in our country.
果园生草覆盖区与对照相比土壤养分明显提高,有机质增加4。
4)  Straw mulching
稻草覆盖
1.
Effects of straw mulching to slope red soil on fertility maintaining and crop yield;
稻草覆盖对坡地红壤培肥及作物增产的效果
2.
Ecological regulation effects of straw mulching in tea plantation in subtropical hilly red soil region;
稻草覆盖对红壤丘陵茶园的生态调控效应
3.
Ecological effects of the weed community in tea garden with intercropping white clover and straw mulching;
间种白三叶草和稻草覆盖控制丘陵茶园杂草效果
5)  mulch of plastic film and straw
膜草覆盖
6)  straw covering
稻草覆盖
1.
Production increase effect and mechanism for straw covering of wheat field in jingmen city;
荆门市小麦地稻草覆盖增产作用及机理
2.
The Comprehensive Benefits Study of Straw Covering on Chestnut Orchard in Mountain Region;
山地栗园稻草覆盖综合效益研究
参考词条
补充资料：草达灭环草丹
分子式：C9H17NOS
分子量：187.3
CAS号：

密度：1.063
沸点：202（1.33千帕）℃
蒸气压：蒸气压0.745E-3千帕（5.6E-3毫米汞柱，25℃）。
毒性LD50(mg/kg)：大白鼠急性经口369（雄）、450（雌），小白鼠急性经口795，兔急性经皮大于4640，对兔眼睛又适度刺激，对皮肤有轻微刺激。对豚鼠皮肤无过敏反应。鱼毒LC50(96h，mg/L)虹鳟1.3，鲶鱼29，金鱼30。
性状：透明有芳香气味的液体。
溶解情况：20℃时在水中溶解度为800毫升/升，可溶于丙酮、苯、二甲苯等有机溶剂。
用途：为低毒除草剂。施用于水稻田中，由于相对密度大于水，沉降在水与泥的界面，形成高浓度的药层，杂草通过药成时，迅速被初生根吸收而受害。可防治萌发的阔叶及禾本科杂草，对稗属特别有效，特别适用于以稗草为主的水稻田。一般加工配制为乳油。
制备或来源：可以S-乙基氯代甲酸酯和六亚甲基亚胺为原料制得。
备注：在室温下至少稳定2年。
类别：除草剂


说明：补充资料仅用于学习参考，请勿用于其它任何用途。