نتایج جستجو برای: Agricultural R
تعداد نتایج: 544555 فیلتر نتایج به سال:
Nowadays, agricultural R&D provides new and developed technologies to create modern agricultural producing methods. During recent years, improving agricultural productivity is affected by not only domestic R&D investments but also foreign countries R&D investments. Nowadays, according to new growth models, R&D is the base of productivity. Recent economic theories consider agricultural research ...
nowadays, agricultural r&d provides new and developed technologies to create modern agricultural producing methods. during recent years, improving agricultural productivity is affected by not only domestic r&d investments but also foreign countries r&d investments. nowadays, according to new growth models, r&d is the base of productivity. recent economic theories consider agricu...
1 The State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, P. R. of China. 2 College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, P. R. of China. 3 State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, P. R. of ...
Agricultural research has transformed agriculture and in doing so contributed to the transformation of economies. Economic issues arise because agricultural research is subject to various market fail ures, because the resulting innovations and technological changes have important economic consequences for net income and its distri bution, and because the consequences are difficult to discern ...
nowadays, agricultural r&d; provides new and developed technologies to create modern agricultural producing methods. this paper investigates the relationship between tfp, domestic agricultural r&d;, and foreign agricultural r&d; during 1979 – 2009 by using almon lag models. the results indicate that agricultural researches (both domestic and foreign r&d;) have positive and significant impact on...
The relationships between basic and applied agricultural R&D, developed and developing country R&D and between R&D, extension, technology and productivity growth are outlined. The declining growth rates of public R&D expenditures are related to output growth and crop yields, where growth rates have also fallen, especially in the developed countries. However, growth in output value per hectare h...
The aim of the study was to demonstrate the impact of soil agricultural usage on the abundance of ammonifying bacteria (AB) and their activity, expressed as arginine ammonification (AA). Five agriculturally exploited types of soils (FAO): Haplic Luvisol, Brunic Arenosol, Mollic Gleysol, Eutric Fluvisol, and Rendzina Leptosol were studied. The controls were non-agricultural soils of the same typ...
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