weed covering是什么意思

用法例句

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。

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。

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。

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

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

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

Experimental study on the effect of different grass coverages on the overland flow velocity;

草被覆盖对坡面流流速影响的人工模拟试验研究

The objective of this study is to reveal the influence of grass coverage on the time of runoff beginning and stop in the hillslope-gully slope erosion system on loess hilly area.

草被覆盖对坡面流有明显的阻延作用。

Results showed that the sediment yield decreased with increasing grass coverage atsmaller water inflow rates in scouring experiments.

通过室内放水冲刷试验方法,研究了坡沟系统坡面不同草被覆盖度及空间配置下,坡沟系统侵蚀产沙变化过程及特征。

cover or provide with or as if with straw.

用或仿佛用稻草覆盖或提供稻草。

Research on Straw Mulching Mode of Potato in Anhui Province

安徽省马铃薯稻草覆盖栽培模式研究

Impact of different straw coverage on non-tillage cultivation of potato;

不同稻草覆盖量对稻田免耕栽培马铃薯的影响

Study on Photosynthetic Characteristics of Potato with Straw Covering and Zero-tillage Cultivation in Paddy Field

稻田免耕稻草覆盖马铃薯光合特性的研究

Effect of straw mulch on soil temperature and the moisture content in orchard

稻草覆盖对果园土壤温度与含水量的影响

Effects of Straw Mulching on Soil Properties and Yield of Double Cropping Late-Season Rice (Oryza Sativa L.);

稻草覆盖还田对土壤性质和双季晚稻产量的影响

Effects of Rice Straw Mulching on Physiological Characteristics and Yield of Autumn Maize with No-tillage and Rice Stubbles

稻草覆盖对稻茬免耕秋玉米生理特征及产量的影响

Discussion on patterns of early rice and autumn maize rotation with no-tillage and straw-covered cultivation technology

早稻与秋玉米免耕轮作稻草覆盖栽培技术模式探讨

Effects of Straw Mulching on Growth and Output of Autumn Maize under No-tillage after Early-rice

稻草覆盖对早稻茬免耕秋玉米生长及产量的影响

Effect of the Technique of Rice Straw Mulch on the Regulation and Control of the Soil Temperature and Moisture for Autumn Corn Growth in No-tillage Farmland

稻草覆盖对早稻茬免耕秋玉米土壤温度和水分的调控效应

Studies on Microbial Community Diversity and Activities of Straw Mulching and White Clover Intercropping Tea Plantation;

稻草覆盖与三叶草间作茶园土壤微生物类群多样性及其活性研究

Effects of Different Soil Water Content in Early Growth Stage on Quality and Yield of No-Tillage Potato Covered with Straw;

生育初期不同土壤水分对免耕稻草覆盖马铃薯产量及品质的影响

Study on the High-Efficiency Potassium Characteristic and Potassium Fertilizer Operation of the Fall No-tillage with the Straw Cover of Potato (Solanum Tuberosum L.)

马铃薯钾高效品种特征及秋作免耕稻草覆盖钾肥运筹研究

The Effect of Straw Mulch and PAM to Red Soil on the Soil-atmosphere Interface

稻草覆盖和结构改良剂对红壤土气界面水分转化的影响

Review on rice straw-covering and no-tillage cultivation technology for winter potato in Wuzhou City

梧州市冬种马铃薯稻草覆盖免耕栽培技术试验研究综述

Effects of Straw Mulching on Soil Temperature and Fresh Tip of Camellia Oleifera Young Forest

稻草覆盖对油茶幼林林地土壤温度及新梢的影响

Study on Screening Suitable Potato Variety for Mulching Straw in Jianghuai Area in Spring

江淮地区春季马铃薯稻草覆盖栽培适宜品种筛选研究

Response of Spatial and Temporal Variation of Upland Soil Moisture to Rice Straw Mulching in Different Cropping Rotation Systems

不同轮作制度下红壤旱地水分时空变化对稻草覆盖的响应