搜索结果: 1-15 共查到“土壤学 method”相关记录15条 . 查询时间(0.468 秒)
A METHOD USING GNSS LH-REFLECTED SIGNALS FOR SOIL ROUGHNESS ESTIMATION
GNSS-R Roughness model Reflectivity Surface roughness Soil moisture Bare soil
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2018/5/14
Global Navigation Satellite System Reflectometry (GNSS-R) is based on the concept of receiving GPS signals reflected by the ground using a passive receiver. The receiver can be on the ground or instal...
A METHOD OF MICROWAVE SOIL MOISTURE INVERSION WITHOUT DEPENDENCE ON THE FIELD MEASUREMENT DATA
LUT AIEM Optimal effective roughness Pixel scale ASAR
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2018/5/14
In the process of retrieving soil moisture (Mv) by active microwave, surface roughness is an important parameter affecting the accuracy of mv retrieval.Using effective roughness to replace the origina...
A theoretical method for estimating the characteristics of radon transportin homogeneous soil
method radon soil convectiv evelocity radon flux density
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2015/9/10
A theoretical method for estimating the characteristics of radon transport in homogeneous soil is developed. The
method allows the following characteristics to be estimated: depth distribution functi...
Computation method of the drainage retention capacity of soil layers with a subsurface pipe drainage system
agricultural areas groundwater reservoir hydrological extremes unsteady-state groundwater conditions
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2015/3/13
Methodological procedure for determining the drainage retention capacity (DRC) of surface layers under conditions of unsteady-state groundwater flow was demonstrated. DRC of the drainage system can be...
The evaluation of degraded land by application of the contingent method
contingent valuation method (CVM) land evaluation land protection land reclamation public awareness of soil protection willingness to pay
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2015/3/10
Industrial activities in the Czech Republic have brought into existence many degraded and contaminated sites. Such areas are not suitable for farming, building or recreation purposes. The necessary re...
Proposal for a method for Colluvisol delineation in Chernozem region
soil erosion terrain modelling soil cover structure soil mapping
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2015/2/4
Erosion, which is one of the most important exogenous processes forming the landscape, has become a main degradation factor affecting agroecosystems. One of the direct erosion effects is a change in t...
Evaluation of pan coefficient equations in a semi-arid Mediterranean environment using the ASCE-standardized Penman-Monteith method
Pan Evaporation Reference Evapotranspiration ASCE-Standardized Penman-Monteith
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2013/2/27
Reference crop evapotranspiration (ETo) is essential for irrigation, water resources management and environmental assessment. The indirect estimation of ETo is based a) on energy budget approach using...
Cultivar Differences in Dependence on Nitrogen Fixation of Soybeans in the Field with a High Soil Nitrate Level Determinated by the Relative Ureide Abundance Method
Cultivar difference High soil nitrogen Nitrogen fixation Nodule Relative abundance of ureide
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2009/7/8
Nitrogen fixation by soybeans is reduced by high soil nitrate levels. This reduced nitrogen fixation capacity increases the dependence on soil nitrogen, which may result in depletion of soil nitrogen...
Growth and Yield Characteristics of Manaw Thu Kha, a Myanmar Rice Cultivar, Influenced by the Kind of Chemical Fertilizer and its Application Method
Heading characteristics Leaf area index Leaf color value Light extinction coefficient Manaw Thu Kha
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2009/7/8
The growth and yield of Manaw Thu Kha (MTK), a high yielding rice cultivar in Myanmar, were studied comparison with those of Japanese cultivars, Koshihikari (KH) and Nipponbare (NB). Four fertilizatio...
A Method of Nitrogen Application for Maximizing Rice Yield in the Nile Delta
Leaf area index Nile Delta Nitrogen split application method Nitrogen rate Paddy yield
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2009/7/8
In the Nile Delta in 1980's, half of the farmers cultivated rice (Oryza sativa) by the basal application of nitrogen at 10 g m-2 and the remaining half by split application, half at transplanting and ...
Effect of Method of Nitrogen Fertilizer Application on Recovery Rate of Applied Nitrogen and its Distribution in the Rice Plant in a Cold Region
Fertilizer placement Labeled nitrogen (15N) Protein-content Recovery rate Rice plant
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2009/7/8
To examine the effect of the method of nitrogen fertilizer application (incorporation into plow layer, surface layer application and side dressing) on the recovery rate of applied nitrogen and its di...
EFFECT OF NITROGEN FERTILIZATION AND SOWING METHOD ON YIELDING OF PERSIAN CLOVER and WESTERWOLD RYEGRASS as COMPAREd with TRITICALE and PEA MIXTURE
Persian clover Westerwold ryegrass pure stand mixtures nitrogen fertilization yield
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2009/3/31
Over 2003-2005 at the Agricultural Experiment Station, Pawłowice, of the Wrocław University of Environmental and Life Sciences there were carried out experiments to evaluate the yielding of...
A New Approach Oriented to New Reallotment Model Based on Block Priority Method in Land Consolidation
New Reallotment Model Block Priority Method Land Consolidation
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2009/1/15
In this study, a new model, which is used in determining of reallotment plan in land consolidation, have been presented and this model have been applied to Salihli-Yılmaz Village. Then, the resu...
Calibration of KEC value in acidic red soils with fumigation-extraction method.
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2007/7/28
期刊信息
篇名
Calibration of KEC value in acidic red soils with fumigation-extraction method.
语种
英文
撰写或编译
作者
Chen,G. and Z. L. He.
第一作者单位
刊物名称
Pedosphere
页面
12 (1): 33-40 (2002)
出版日期
2002年
月
日
文章标识(ISSN)
相关...
DETERMINATION OF THE WATER YIELDS FOR SMALL BASINS IN SEMI-ARID AREAS: APPLICATION OF THE MODIFIED TURC METHOD TO THE TURKEY’S CONDITIONS
reservoir Turc Method water yield Turkey
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2010/12/1
The Turc Method is used widely in Turkey to determine runoff depths therefore, water yield from a particular watershed and subsequently the reservoir’s volume by Turkish General Directorate of Rural S...