نتایج جستجو برای: variables of acreage
تعداد نتایج: 21178140 فیلتر نتایج به سال:
due to the conservational agriculture as a factor of increasing food security and sustainable agriculture, understanding the determinant factors in the farmers' decision making to enhance adoption scale of conservational agriculture, is quite important. therefore, the current study attempted to investigate the effective factors and barriers to agricultural technology adaption among the whe...
For large areas, it is difficult to assess the spatial distribution and inter-annual variation of crop acreages through field surveys. Such information, however, is of great value for governments, land managers, planning authorities, commodity traders and environmental scientists. Time series of coarse resolution imagery offer the advantage of global coverage at low costs, and are therefore sui...
Supplementary Information Data Notes-Soil Quality USDA-NRCS's soil surveys are conducted at pre-designated spatial units, known as map units (MUs), which represent common management requirements towards various land uses (Soil Data Viewer 6.0 User Guide, 2011 pp. 11). Although MUs are the finest spatial resolution in the soil surveys, they are composed of multiple map unit components that are h...
While alfalfa is often recognized as the “Queen of the Forages”, corn may be considered “King of the Crops” and currently ranks as the nation’s largest acreage crop with over 87 million acres. The corn acreage U.S. has continued to increase in recent years for various reasons including greater market demand, a shift towards larger farms that focus on a fewer number of crops, and the development...
Acreage estimates are crucial for forecasting menthol mint acreage, as crop output figures fluctuate from year to in response fluctuations the market price of oil. Thus, there yearly maximum that farmers can obtain. Since low production arises rates, and high results prices, these acreage estimate studies may be useful lowering uncertainty regarding mints’ output. The widespread adoption remote...
This study presents a crop planting and type proportion (CPTP) method for crop acreage estimation of complex and diverse agricultural landscapes. CPTP has three major components: (1) Crop planting proportion (CPP), estimated with wide-swath satellite remote sensing data to completely cover the monitoring area by segmenting cropped and non-cropped areas through unsupervised classification. (2) C...
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