نتایج جستجو برای: in developed cropping pattern

تعداد نتایج: 17039378  

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2013
Leah K VanWey Stephanie Spera Rebecca de Sa Dan Mahr John F Mustard

The Brazilian agro-industrial frontier in Mato Grosso rapidly expanded in total area of mechanized production and in total value of production in the last decade. This article shows the spatial pattern of that expansion from 2000 to 2010, based on novel analyses of satellite imagery. It then explores quantitatively and qualitatively the antecedents and correlates of intensification, the expansi...

2003
Robert Scealy Reihaneh Safavi-Naini Nicholas Paul Sheppard

Segmented watermarking is an approach to multiple watermarking that can be used to acknowledge the contribution of multiple authors or to embed a fingerprint code-word, but is susceptible to cropping attacks that discard portions of the watermarked media. Careful selection of the watermark embedding pattern can increase the resilence of a segmented watermark in the presence of cropping attacks....

2016
Xiujuan Ren Sumei Yao Runqing Wang Dafu Wu Shilin Chen

The multiple cropping is the main agricultural production pattern, including double cropping of rice in south China and double cropping of wheat and corn in north China. Household investigation, typical farmland survey and county statistics inspection were performed to analyze the status and countermeasure of nitrate pollution in China. The result showed that the nitrate rate of underground wat...

Journal: :International Journal of Current Microbiology and Applied Sciences 2017

Reza Hezareh Samira Shayan Mehr Seyed Abolghasem Mortazavi Sina Ahmadi Kaliji

Water resources sustainability is one of the major issues in the agricultural sustainability. In this study sustainability of water resources has been investigated by use of linear and non-linear models in six models based on optimal utilization of water resources in the north parts farms of Iran because of incorrect use of agricultural water resources, from 2011 to 2012. Also “gross margin per...

Alireza Poursaeed Roya Eshraghi Samani

In this study, the comparative advantage of main agricultural products and its relation to cropping pattern was studied in Ilam Province. For data analyzing the comparative advantage and government policies effects indices, Policy Analysis Matrix (PAM) were used. The obtained results for the comparative advantage indices of Domestic Resource Cost (DRC), Social Cost Benefit (SCB) and Net Social ...

2016
Deepak Gupta Ravindra Kumar

Feature extraction is an important step of pattern recognition. This study uses profile based feature extraction and uses Simple Profile (with cropping and without cropping image samples), Contour based feature extraction for recognizing handwritten numerals. The features are computed by using 48 X 48 as a feature length classifier used Back propagation neural network for the classification.. T...

Journal: :Research in Agriculture Livestock and Fisheries 2015

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