Results 241 to 250 of about 4,296,838 (290)
Soil and Tillage Research, 2016 Soil aggregates profoundly influence soil fertility and soil erosion. A large number of studies have showed that soil aggregate loss was mainly affected by raindrop impact and runoff detachment during hillslope erosion process; however, few ...
Guifang Li +4 more
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Agro-Ecosystems, 1976
Abstract The earth's soil budget is analysed and the causes of loss and degeneration are described. The main efforts to solve the problems of soil los should be concentrated on: 1. (i) the preparation of international guidelines for conservation policy; 2. (ii) declaration of an International Soil Conservation Decade; 3.
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Abstract The earth's soil budget is analysed and the causes of loss and degeneration are described. The main efforts to solve the problems of soil los should be concentrated on: 1. (i) the preparation of international guidelines for conservation policy; 2. (ii) declaration of an International Soil Conservation Decade; 3.
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Soil Loss Tolerance and the Economics of Soil Conservation on Swygert Soils
Illinois Agricultural Economics, 1964decide whether the delayed returns of the future are more valuable than returns that can be obtained more rapidly. The concept of discounting future returns is important in making decisions of this nature. The discount rate establishes a time preference for the returns accruing from an investment over its useful life.
C. E. Harshbarger, E. R. Swanson
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Rate of loss of insecticides during soil solarization and soil biosolarization
Journal of Hazardous Materials, 2011This paper reports the use of solarization and biosolarization to decontaminate a soil polluted with six insecticides (buprofezin, pirimicarb, pirimiphos methyl, pyridaben, pyriproxyfen and tebufenpyrad). In the experiment, 17-L pots filled with clay-loam soil were placed in a greenhouse during the summer season and then contaminated with the ...
José, Fenoll +4 more
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Loss of controllability in unsaturated soils
European Journal of Environmental and Civil Engineering, 2009Cet article traite de l'activation de modes d'instabilite relatifs au mouillage d'echantillons de sol non satures. Un modele constitutif pour sols non satures est developpe, auquel la theorie de la non-controlabilite est appliquee. Le modele est base sur le concept de variables conjuguees dans l'equation de l'energie.
BUSCARNERA, GIUSEPPE, NOVA, ROBERTO
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The Loss of Alachlor from Soil
Weed Science, 1971Gas chromatographic analysis of benzene extracts was used to study the effects of temperature and relative humidity on the degradation and volatilization of 2-chloro-2′,6′-diethyl-N-(methoxymethyl)acetanilide (alachlor) in the soil. The relative humidity of a closed system had little effect on alachlor retention in air dry Sawyer fine sandy loam at 22 ...
R. S. Hargrove, M. G. Merkle
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Loss of Triazophos and Mevinphos in Soil
The Philippine Entomologist - Volume 3 Issue 5 & 6, 1978The loss of triozophos and mevinphos in soils under laboratory and semifield conditions was determined by gos chromatography. Mevinphos was less persistent than triosophos. Degradation rotes were rapid and varied with the. kind of insecticide as well as soil type.
E.D. Magallona, E.E. Callejas
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Event soil loss, runoff and the Universal Soil Loss Equation family of models: A review
Journal of Hydrology, 2010Summary The Universal Soil Loss Equation (USLE) is the most widely used and misused prediction equation in the world. Although it was designed to predict long-term average annual soil loss, it has the capacity to predict event soil losses reasonably well at some geographic locations and not well at others.
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Soil Science Society of America Journal, 1995
Abstract Measurements of wind erosion from fields are limited, but with recently developed erosion samplers, it is possible to determine soil losses from natural winds. Erosion of soils by wind was measured in five states.
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Abstract Measurements of wind erosion from fields are limited, but with recently developed erosion samplers, it is possible to determine soil losses from natural winds. Erosion of soils by wind was measured in five states.
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Effects of soil tillage on quality of soil loss
2011Quantity and quality of soil loss was measured on Stagnic Luvisol under six tillage treatments in the Central Croatia during the 15-year investigation cycle (1995-2010). The trial involved the following tilling treatments: 1. Black fallow ; 2. Tillage up and down the slope ; 3. No-tillage ; 4. Tillage across of the slope ; 5.
Kisić, Ivica, Bašić, Ferdo
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