1) wheat coverage
小麦覆盖度
1.
The relationship between bare soil s back scattering coefficient and soil water content or land surface roughness was analyzed,and the relationship between winter wheat field s backscattering coefficient and soil water content or wheat coverage was also analyzed.
2左右)冬小麦麦地的后向散射与土壤含水量、地表粗糙度及小麦覆盖度之间的关系,探讨了裸土和冬小麦麦地土壤含水量及小麦覆盖度的反演方法。
3) The high stubble mulch of winter wheat
小麦高留茬覆盖
1.
The high stubble mulch of winter wheat can enhance soil fertility,decrease evaporation and surface runoff,inhibit soil erosion,increase soil moisture,control weed growth,enhance yield,conserve resources and decrease pollution.
小麦高留茬覆盖栽培技术具有培肥地力,减少作物棵间蒸发和地表径流,防止土壤侵蚀,增加土壤贮水量,抑制杂草生长,提高产量,节约资源,减少环境污染等多种功效,应大力推广应用。
4) Plastic film covered wheat
地膜覆盖小麦
5) wheat straw mulching
麦秸覆盖
1.
Effects of wheat straw mulching on soil temperature & moisture and growth & development of summer cotton;
麦秸覆盖对土壤温湿度变化和夏棉生长发育的影响
2.
Wheat straw mulching effects the yield of corn.
据1992~1993年大田试验结果,分析了不同时期麦秸覆盖对夏玉米生长发育和产量的影响。
补充资料:表面覆盖度
分子式:
CAS号:
性质:在吸附平衡时,吸附剂表面被吸附质粒子覆盖的分数,常用θ表示。对于单层的吸附,θ=V/Vm,V是平衡吸附量,Vm是单分子层饱和吸附量。
CAS号:
性质:在吸附平衡时,吸附剂表面被吸附质粒子覆盖的分数,常用θ表示。对于单层的吸附,θ=V/Vm,V是平衡吸附量,Vm是单分子层饱和吸附量。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条