نتایج جستجو برای: uncultivated farm area
تعداد نتایج: 618718 فیلتر نتایج به سال:
The MARORA model is used to evaluate the economics of investment in on-farm reservoirs in Arkansas under alternative land tenure arrangements. A declining groundwater supply coupled with a high percentage of rice-production area owned by absentee landowners makes investment decision-making on on-farm reservoirs an important issue for the sustainability of rice in Arkansas. The MARORA model is s...
In this study, we aimed to establish the prevalence and risk factors relating to gastrointestinal helminthiasis, and to characterize the sanitary management practiced among sheep herds in the Sertão region of the state of Paraíba, northeastern Brazil, based on factors that condition the ways of controlling these parasites in these herds. The research was carried out between April and July 2012....
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