1) Farming soil fertility
耕地土壤地力
2) Cultivated land
耕地土壤
1.
Changing trend of organic matter and nutrient content in cultivated land of the Ningxia irrigation area of yellow river;
宁夏引黄灌区耕地土壤有机质及养分质量分数变化趋势
2.
It has been 20 years since the Second Soil Census,in order to know the dynamic change of soil phosphorus,the data of soil phosphorus in cultivated land in Ankang from 1995 to 2003 is analyzed and the result is compared with the Second Soil Census.
第二次土壤普查迄今已20年,为了摸清土壤磷素的变化动态,对安康市1995～2003年耕地土壤有效磷化验资料进行了统计分析,并与第二次土壤普查结果进行了比较研究,结果表明,土壤有效磷呈上升趋势,严重缺磷土壤减少,但中高山地区土壤缺磷依然严重。
3) Cultivated soil
耕地土壤
1.
Study on Cu content in cultivated soils and its influence factors in Guangxi;
广西耕地土壤铜的含量及其影响因素
2.
Geostatistical methods were used in combination of GIS to analyze the spatial distribution characteristics of total K and available P in cultivated soils in Xinhui district,Guangdong Province,over 20 years from 1982 to 2003.
结果表明,研究区域耕地土壤由于20年来的耕作施肥使得土壤全钾和有效磷含量显著增加,土壤全钾在研究区域的南部变化最明显,与该地区的土壤类型为咸田有很大关系;耕地土壤全钾和有效磷的空间分布都表现为中等空间相关性;土壤全钾和有效磷变程的变化与土壤养分在土壤中化学行为有关。
3.
In this project, analytical data of 20 items from 367 of cultivated soil samples in Minhou county were selected, and principle component and gray relation analysis methods were used for revealing the relationship between soil properties and environmental factors.
耕地土壤性质与气候、地形、母质等自然环境和人类活动存在错综复杂的内在联系 。
5) farmland soil
耕地土壤
1.
Current Situation of Farmland Soil Utilization and Countermeasures of Soil Protection in Fuzhou City;
福州市耕地土壤利用现状与保护对策
2.
Space variation law of physical characteristics about farmland soil due to mining subsidence;
开采沉陷对耕地土壤物理特性影响的空间变化规律
3.
Soil quantity and ecosystem environment were influenced by soil management, how to improve farmland soil will be urgent problem.
土壤质量变化与生态环境影响和经营管理水平密切相关,如 何改良利用耕地土壤将直接关系到农业发展方向。
补充资料：土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
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