Study on the Marginal Productivity of Cultivated Land with Change of Soil Organic Matter in China;
中国耕地有机质含量变化对土地生产力影响的定量研究
Effects of Different Manure Sources on Soil Characters in Upland Red Soil
不同有机肥源对红壤旱地耕层土壤性质的影响
We've five tractors to till the land.
我们有五架拖拉机耕地。
DEVELOP ORGANIC AGRICULTURE:REALIZING SUSTAINABLE USE OF CULTIVATED LAND;
发展有机农业,实现耕地可持续利用
Effects of Conservation Tillage with Straw Cover or Straw Standing on the Soil Microbial Biomass Carbon and Organic Matter
留茬覆盖免耕保护性耕作对土壤微生物量碳和有机质含量的影响
Farmers Perceptions of Arable Land Quality and Their Corresponding Response;
基于农户的耕地质量认识及其响应机制研究
The cultivated land soil quality change and mechanism in the Pearl River Delta
珠江三角洲耕地土壤质量演化及其机制
Effect of Different Tillage Managements on Organic Matter and Aggregates in Black Soil
不同耕作方式对黑土有机质和团聚体的影响
Effect of Soil Erosion on Soil Organic Carbon in Chinese Loess Plateau;
黄土高原坡耕地土壤侵蚀对土壤有机碳的影响
The Effect on Soil Organic Nitrogen under the Different Tillage in Dryland;
不同耕作方式对旱地土壤有机氮的影响
Effect of No-till with Straw Cover on Soil Organic Carbon in Dry Land;
旱地秸秆覆盖免耕对土壤有机碳的影响
Forecast of Impact of the Returning Farms to Forests on Soil Organic Carbon of Loess Plateau;
退耕还林对黄土高原地区土壤有机碳影响预测
The Repairing Study of Heavy Metal-contaminated Farmland Soil by Organic Acids
有机酸对重金属污染耕地土壤的修复研究
Farmers now use tractors to plow their fields.
现今农民用牵引机耕地。
Cultivated land consolidation planning based on quality evaluation of cultivated land in Poyang Lake region;
基于耕地质量评价的鄱阳湖区耕地整理规划
APPROACH ON DEFINITION OF CULTIVATED LAND AND NEW EVALUATIING METHOD OF QULITY OF CULTIVATED LAND;
耕地概念的界定与耕地质量评价的新方法初探
Furthermore, the transformation of land from natural state to cropland also leads to the loss of SOC( Soil Organic Carbon).
另外，原始土地转化为耕地的过程也使土壤丧失了大量的有机碳。
STUDIES ON SOME INDEXES OF ORGANIC MATTER IN BROWN-YELLOW SOILS WITH DIFFERENT FERTILITY LEVELS
不同肥力棕黄土(耕作棕壤)几项有机质指标的研究