Zobrazeno 1 - 10
of 80
pro vyhledávání: '"E.C Burt"'
Publikováno v:
Soil and Tillage Research. 50:127-135
Field traffic by heavy agricultural machinery can cause serve structural degradation of arable land. This may result in surface runoff, restricted availability of water, oxygen and nutrients to plant roots and therefore in reduced crop yields. In ord
Publikováno v:
Transactions of the ASAE. 41:11-15
Trenches placed midway between rows were filled with a mixture of soil, cellulose material, and poultry litter. Soybeans and grain sorghum were grown in rows adjacent to the trenched areas for multiple years. Results showed that a trenching effect, w
Publikováno v:
Journal of Agricultural Engineering Research. 61:73-80
Several areas of study are contributing to the development of procedures to predict soil compaction from machinery traffic. Stresses at the soil-tyre interface are being measured. Analytical and finite element analyses are being used to predict stres
Publikováno v:
Journal of Agricultural Engineering Research. 61:57-62
A finite element modeling technique is being de- difficult to measure and the rigid geometry permits the veloped as a management tool that can be used to determination of the direction of these stresses. A true predict and avoid excessive soil compac
Publikováno v:
Ecological Engineering. 4:45-52
Experiments to examine the effects on root-zone water quality by deep trenching disposal of municipal shredded newsprint in agricultural production soils were conducted in Alabama, USA. Three treatments were examined during the study. In two treatmen
Publikováno v:
Compost Science & Utilization. 1:79-92
The large volume of cellulose products, primarily newsprint and yard waste, that are disposed of in landfills and the resistance of these products to decomposition led to an evaluation of the disposal of ground newsprint on agricultural land. A field
Publikováno v:
Transactions of the ASAE. 34:0436-0442
The effect of reservoir tillage on water intake and soil erosion was studied under two levels of soil compaction. Plots were instrumented to measure soil erosion and surface runoff. A Low Energy Precision Application (LEPA) irrigation system was used
Publikováno v:
2007 IEEE Antennas and Propagation Society International Symposium.
A novel RCS component prediction model approach to producing both fast and accurate scattering from an electrically large open-ended cylindrical cavity (circular cross section) is presented. The component model is a hybrid approach which easily permi
Publikováno v:
1988 IEEE AP-S. International Symposium, Antennas and Propagation.
A bistatic radar cross section (RCS) formulation is developed wherein a first-order physical theory (physical optics and physical theory of diffraction) is used. A large class of curved surfaces is considered using a single parameterization. These cu
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