نتایج جستجو برای: year acreage

تعداد نتایج: 593659  

2016
Cesar A. Marchioro

The carambola fruit fly, Bactrocera carambolae, is a tephritid native to Asia that has invaded South America through small-scale trade of fruits from Indonesia. The economic losses associated with biological invasions of other fruit flies around the world and the polyphagous behaviour of B. carambolae have prompted much concern among government agencies and farmers with the potential spread of ...

Journal: :American Journal of Agricultural Economics 1980

Journal: :INTERNATIONAL RESEARCH JOURNAL OF AGRICULTURAL ECONOMICS AND STATISTICS 2019

Journal: :Remote Sensing 2013
Clement Atzberger Felix Rembold

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...

ژورنال: علوم آب و خاک 2009
زیبایی, منصور, محسنی, ابوالفضل,

Because of the fact that alternative agricultural policies cannot be examined in a laboratory, the potential effects of policies must be analyzed before policy setting, and during or after the policy implementation using mathematical programming (MP) models. In this context, the consequences of increasing the acreage of colza at representative farm (RF) level of Namdan plain were analyzed using...

Journal: :Int. J. Applied Earth Observation and Geoinformation 2012
Bingfang Wu Qiangzi Li

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...

2016
Ben Goff

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...

Journal: :Asian Journal of Agricultural Extension, Economics and Sociology 2023

The present study was carried out in Rajasthan state as a whole aiming to acreage response analysis. Nerlovian function employed the time series data of major food grain crops from 1997-98 2020-21. It is concluded that wheat, paddy, bajra, and gram were mainly controlled by gross cropped area current year (t), while price last (t-1) also appeared be key determination allocation In case if irrig...

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