A field experiment was conducted to study the influence of black fluid-film mulched covered winter wheat in dry land on soil microhabitats and yield.
采用田间小区试验研究了黑色液膜覆盖旱地冬小麦对土壤微生境及产量的影响。
Some characteristics of rice cultivated in aerobic soil mulched with semi-decomposed straw and plastic film and without any mulch were compared under field conditions.
通过半腐解秸秆覆盖旱作、地膜覆盖旱作、裸地旱作比较试验，研究了在田间覆盖条件下旱作水稻的生长发育以及产量形成特征。
Based on the analysis of field experimental data, crop water requirement and crop coefficient of straw-mulched summer maize are evaluated with dual coefficient approach recommended by FAO.
采用FAO推荐的双作物系数法计算了秸秆覆盖条件下夏玉米的作物系数。
The effect is obvious on weed control with black film mulched, the fresh weight of weed in field is reduced 70.
利用黑色地膜覆盖防草效果明显 ，田间杂草鲜重比与黑膜同材质的透明地膜覆盖减少 70 。
The effect is obvious on weed control with black film mulched, the fresh weight of weed in field is reduced 70.
利用黑色地膜覆盖防草效果明显 ，田间杂草鲜重比与黑膜同材质的透明地膜覆盖减少 70 。
应用推荐