Effect of Farming Practices on the Variability of Phosphorus Status in Intensively Managed Soils

来源 :Pedosphere | 被引量 : 1次 | 上传用户:victor530505911
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Phosphorus(P) in agricultural soils is an important factor for soil quality and environmental protection. Understanding of P and its fractions in soils on a regional scale is imperative for effective management or utilization of P and the improvement o
其他文献
皖南事变已经过去整60个春秋。血的教训曾促使新四军及华中抗战实现了三个重要转变。我作为这一事件的经历者,现对这一事件的有关问题作些探究,以就教于各位。一、皖南事变后,从
Overuse of fertilizers and the resultant pollution and eutrophication of surface and groundwater is a growing issue in China.Consequently, improved management s
为了检测初治急性髓系白血病(AML)细胞CD34+抗原的表达,并分析其与预后的关系,应用间接免疫荧光法检测了238例AML患者。结果表明:238例AML中CD34阳性表达者有92例,占38.7%。
The application of organic amendments on soils poor in organic matter(OM) can improve long-term soil fertility, but may also enhance the mineralization of nativ
Soil organic carbon(SOC) and iron(Fe)-oxides are important contributors of aggregate stability in highly weathered soils, and they are influenced by groundwater
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
A two-year field study was conducted to test the effects of two phosphate-solubilizing bacteria(PSB), Pantoea cypripedii(PSB-3)and Pseudomonas plecoglossicida(P
全国鬼谷子与纵横家文化研讨会,于2001年4月18日至20日在河南省鹤壁市召开.研讨会由河南省鹤壁市淇县政府鬼谷子与纵横家文化研讨会主办,军事科学院战略研究部协办.刘华清、
The relationships between the basic properties and trace elements in soil argillans and corresponding matrix soils were studied by sampling from the B horizons of 26 Alfisols in croplands of the subtr