在河北省黑龙港流域有大面积的盐碱滩地和撂荒地。
There is large area of Salina and waste land in Hei-Long-Gang valley, Hebei province.
撂荒12年时，结皮和地上草被都开始起到增渗作用。
To the 12 returning years, both the crust and the grass begin to increase the infiltration.
退耕林地养分含量随土层变化缓慢，而农田及撂荒地变化剧烈。
The soil nutrient condition with different layers changed slightly under Conversion from cropland into Forest, but cropland changed significantly.
如果土地就撂荒了，土壤直接暴露中日晒雨淋中，导致水土流失和土壤进一步贫瘠。
Once this happens the site is abandoned and the soil is exposed to sun and rain, resulting in erosion and further impoverishment of the soil.
结果表明：植物群落覆盖度和地上生物量随退耕撂荒年限的增加，恢复演替的推进逐渐增大；
The results showed that with the increased in the number of years of land abandonment, the plant community's coverage and above-ground biomass increased gradually.
我国农作制度的历史演进过程大致可以划分为四个时期，即撂荒制、休闲制、轮种制和集约制。
The historical evolution of tillage system in China can be divided into four stages: abandoning cropping system, fallow cropping system, rotational cropping system, and intensive cropping system.
在鄂尔多斯沙地改良试验站的撂荒地和退耕地，测定和分析了多年生人工草地对土壤呼吸速率的影响。
An analysis on the effect of cultivated grassland on soil respiration rate was conducted for the abandoned land and the transferred farmland in the Ordos Sandy land Improvement Experimental Station.
作者对潮棕壤不同土地利用方式(旱田、撂荒地和林地)下土壤线虫群落时空分布特征进行了研究，结果表明，不同土地利用方式能够影响线虫群落及其优势属的时空分布。
The results showed that land-use types affected the spatiotemporal distribution of soil nematodes and their dominant genera, and different dominant genera showed different responses to land USES.
作者对潮棕壤不同土地利用方式(旱田、撂荒地和林地)下土壤线虫群落时空分布特征进行了研究，结果表明，不同土地利用方式能够影响线虫群落及其优势属的时空分布。
The results showed that land-use types affected the spatiotemporal distribution of soil nematodes and their dominant genera, and different dominant genera showed different responses to land USES.
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