1.
The improving effect of shallow ploughing and deep digging to low-wet soil was studied in this paper.
本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。
2.
Quantitative Evaluation of Suitability for Converting Croplands to Wetlands in Typical Inland Limnetic Wetland Region
典型内陆淡水湿地区退耕还湿适宜性定量评价研究
3.
Farmers,response to policy of wetland protection and restoration in Sanjiang Reserve
三江自然保护区湿地保护与退耕还湿政策的农民响应
4.
Clay makes the soil hard to work when wet and it cracks when dry.
粘土遇湿使土壤无法耕作，遇旱使土壤发生龟裂。
5.
Spatial Decision Analysis on Returning Farmland to Wetland Based on GIS in the Sanjiang Plain
基于GIS的三江平原退耕还湿空间决策分析
6.
Method for Soil Moisture Calculation in Plough Layer Based on Antecedent Effective Rainfall
基于前期有效降水推算耕作层土壤湿度的方法
7.
Projects to protect the natural forests and wetlands, and to reconvert farmland into forest or pasture have been carried out on the upper reaches of the Yangtze River.
在长江上游实施天然林保护工程，退耕还林、还草和湿地保护工程。
8.
Pilot-Study on the Treatment of Inflow River to Taihu by Quatic-Planted Constructed Wetland;
水耕蔬菜型人工湿地削减太湖入湖污染的初步研究
9.
The Changes of Weed, Temperature and Water Content in Soil under Condition of Conservation Tillage in Northwest of Hebei Province;
冀西北保护性耕作农田杂草发生与土壤温湿变化
10.
The Effects of Mending Cultivation System on the Ecological Benefits of the Riparian Agricultural Wetlands in Mengjing County,Henan Province
合理耕作制度提高孟津沿黄农业湿地的生态效益
11.
Influence of Wetland and Farmland Changes on Runoff Depth in Naolihe River Basin
挠力河流域湿地和耕地变化对径流深的影响研究
12.
Effects of soil factors on vegetation community structure in an abandoned subtropical paddy wetland
亚热带稻田弃耕湿地土壤因子对植物群落结构的影响
13.
Response of Farmers to Conversion of Cultivated Land to Wetland and Substitute Livelihood-A Case of Sanjiang Reserve;
湿地退耕还湿与替代生计选择的农民响应研究——以三江自然保护区为例
14.
When cultivated and stripped of their dense vegetative cover, soils of the humid tropics quickly lose their fertility.
当将厚密的植被除去并耕种时，潮湿热带地区的土壤就会迅速失去其肥力。
15.
With exception of soils that are cold and wet at planting time, no evidence exists that surface broadcasting of potassium fertilizer is not an adequate method of fertilization under reduced tillage.
除非在播种时土壤寒冷潮湿，没有证据表明在少耕制下钾肥地表撒施是一种不适当的方法。
16.
wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel.
植物腐烂的潮湿地皮；排水不畅；其土壤不适合耕种，但焙干后可做燃料。
17.
Responses of Farmers to Wetland Ecosystem Stability and Grain-for-Wetland Program Based on Participatory Rural Appraisal
基于PRA方法的社区居民对湿地生态系统稳定性及退耕政策的认知分析
18.
Dampness, especially of the air.
湿度湿度，尤指空气湿度