1)  abandoned field
弃荒坡耕地
2)  de-farming and wasteland
退耕弃荒
1.
Four soil profile samples were collected in the middle of de-farming and wasteland billabong and around slopes,located at typical karst district of Guizhou province.
在贵州喀斯特区域一块典型的退耕弃荒洼地中央和周边坡面采集了4个土壤剖面,研究土壤有机碳(SOC)含量和δ13Corg值的变化。
3)  Uncultured land
弃荒地
4)  Abandoned field
弃荒农田
5)  de-farming and wasteland
退耕弃荒地
1.
According to similar natural condition and different years of de-farming, this research studied nitrogen variation features of the desertification soils of different de-farming and wasteland in the western Karst region, Guizhou province.
研究以贵州西部喀斯特石漠化地区退耕弃荒地土壤为研究对象,在保证自然因素相对一致的条件下,根据退耕年限的不同和有无梯化过程,采集土壤样品进行全氮及氮素形态的化学分析。
补充资料:荒荒
1.惊扰貌。荒,通"慌"。 2.指匆忙,仓促。 3.萧条;冷落。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。