Phytoavailability and Speciation of Cd in Contaminated Soil After Repeated Croppings of Oilseed Rapes and Amended with Compost 油菜连作及施用堆肥对土壤镉赋存形态和生物有效性的影响
The following procedure reduces file size by removing the croppings from the picture file. 下面的过程通过从图片文件中删除裁剪部分来减小文件大小。
The photographer composed it with plenty of extra space around the subject to permit a variety of print croppings. 摄影者构图时在主体周围留下大量的额外空间,以便出版时有多种裁剪可能。
The influence of double-rice multiple cropping rotation and three continuous croppings were compared on the status of soil organo-mineral complex and the properties of humus in this paper. 本文比较了双季稻复和轮作与三种复种连作对土壤有机无机复合状况及腐殖质特性的影响。
Occurrence and control of whitefly in continuous croppings under artificial facilities 设施栽培连作条件下白粉虱的发生及其防治
Watermelon cultivation techniques for three croppings per year in open fields 西瓜一年三熟(露地)栽培技术
The results show that the double-rice multiple cropping rotation is better in forming the soil complex of organic matter and minerals than any kind of the three continuous croppings ( rape-rice-rice, wheat-rice-rice and green manure-rice-rice). 结果表明:双季稻复种轮作比油稻稻连作、麦稻稻连作和肥稻稻连作更能促进土壤有机质与矿质部分的复合。