2) Abandoned arable land
退耕撂荒地
1.
In order to understand dynamics of soil water-stable aggregates along chronosequences and relationship with soil physico-chemical properties on abandoned arable land in eroded hilly loess plateau,11 arable old land with different ages after being abandoned in Zhifanggou catchment were studied systematically through the approach of substituting the temporal serial with spatial serial.
研究了侵蚀环境退耕撂荒地生态恢复过程中水稳性团聚体的变化规律及其与土壤养分状况及土壤微生物量的关系,结果表明,侵蚀环境退耕撂荒地土壤水稳性团聚体含量迅速提高,在退耕撂荒的第一个10年,水稳性团聚体增大约253。
2.
In order to understand dynamics of soil water-stable aggregates along chronosequences and relationship with soil physico-chemical properties on abandoned arable land in Eroded Hilly Loess Plateau,11 arable old land with different ages after being abandoned in Zhifanggou Catchment were studied systematically through the approach of substituting the temporal serial with spatial seri- al.
本文研究了侵蚀环境退耕撂荒地生态恢复过程中水稳性团聚体的变化规律及其与土壤养分状况及土壤微生物量的关系,结果表明,侵蚀环境退耕撂荒地土壤水稳性团聚体含量迅速提高,在退耕撂荒的第一个10年,水稳性团聚体增大约253。
3) 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。
4) cropland conversion and grazing prohibition
退耕与禁牧
5) advantage and disadvantage for de farming and afforestation
退耕难点与机遇
6) removal lands from cultivation to afforestation and grassland
退耕
1.
Influence and its benefits evaluation of removal lands from cultivation to afforestation and grassland in slope farmland on soil erosion in hilly region of purple soil;
紫色土丘陵区坡耕地退耕对水土流失的影响及其效益评价
补充资料：退耕
1.见"退耕"。
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