Estimation of Some Chemical Properties of an Agricultural Soil by Spectroradiometric Measurements

来源 :Pedosphere | 被引量 : 2次 | 上传用户:ksxxccna
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
The contents of nitrogen and organic carbon in an agricultural soil were analyzed using reflectance measurements (n=52)performed with an ASD FieldSpec-Ⅱspectroradiometer.For parameter prediction,empirical models based on partial least squares(PLS)regre
其他文献
The phytotoxicity and antioxidative adaptations of lead (Pb) accumulating ecotype (AE) and non-accumulating ecotype (NAE) of Sedum alfredii Hance were investiga
Nitric oxide (NO) Is a bioactive molecule involved in many biological events, and has been reported as pro-oxidant as well as anti-oxidant in plants. In the pre
Supported manganese oxide catalysts were prepared by incipient wetness impregnation method for methane cat-alytic combustion, and effects of the support (Al2O3,
Aerosol samples were collected at two coastal suburban stations,Qingdao (China) in 1995-1996 and Liverpool (U.K.) in 1995,respectively.The samples were analyzed
A bounded optimal control strategy for strongly non-linear systems under non-white wide-band random excitation with actuator saturation is proposed. First, the
CH4 and N2O fluxes from soil under a tropical seasonal rain forest in Xishuangbanna, Southwest China were measured for one year using closed static chamber tech
Since the construction of the Gezhouba Dam on the Yangtze River in 1981, it has been found that the Chinese Sturgeon, Acipensor sinensis, performs natural propa
This paper presents experimental and computational studies on the flow behavior of a gas-solid fluidized bed with disparately sized binary particle mixtures. Th
Seasonal netzplankton samples from stations in the Changjiang (Yangtze River) Estuary were collected from May,2004 to February,2005.The dominant species and the
Based on the theory of emergy analysis,a modified model of ecological footprint accounting,termed emergetic ecological footprint (EMEF) in contrast to the conve