نتایج جستجو برای: agriculture management
تعداد نتایج: 905400 فیلتر نتایج به سال:
Degradation and sorption of imidacloprid in dissimilar surface and subsurface soils Jennifer C. Anhalt a , Thomas B. Moorman b & William C. Koskinen c a Department of Microbiology , Iowa State University , Ames, Iowa, USA b United States Department of Agriculture , Agricultural Research Service, National Soil Tilth Laboratory , Ames, Iowa, USA c United States Department of Agriculture , Agricul...
The definition and representation on the model base’s descriptions are the basis of reuse, integration and management of heterogeneous model resources. The study proposed the organization method of the agriculture model component based on topic maps. On the basis of the meta-modeling techniques and the topic map techniques, the study comprehensively analyzed the agricultural model characteristi...
Many studies on the adoption of precision technologies have generally used logit models to explain the adoption behavior of individuals. This study investigates factors affecting the intensity of precision agriculture technologies adopted by cotton farmers. Particular attention is given to the role of spatial yield variability on the number of precision farming technologies adopted, using a cou...
The rise in the world demand for food poses a challenge to our ability to sustain soil fertility and sustainability. The increasing use of no-till agriculture, adopted in many areas of the world as an alternative to conventional farming, may contribute to reduce the erosion of soils and the increase in the soil carbon pool. However, the advantages of no-till agriculture are jeopardized when its...
Department of Natural Resource Ecology and Management, Iowa State University, Ames, IA 50011; Department of Statistics, Iowa State University, Ames, IA 50011; Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA 50011; Department of Agronomy, Iowa State University, Ames, IA 50011; Department of Sociology, Iowa State University, Ames, IA 50011; National Laborato...
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