نتایج جستجو برای: extensive farming system
تعداد نتایج: 2384038 فیلتر نتایج به سال:
The maintenance of low-intensity farming is important for the conservation of habitats and species and is a particular issue in Europe as areas under extensive farming regimes continue to diminish. Current proposals for agricultural reform in Europe are seeking to retain and encourage extensive farming partly by seeking to redirect farm workers into non-farm activities such as leisure activitie...
Organic farming has become increasingly popular in the world. This is mostly attributed toescalating consumer concerns over the impacts of pesticides and chemical fertilizers on humanhealth as well as growing concerns over environmental pollution derived from modernagricultural practices, such as rising greenhouse gas emissions and water contaminations. Butdoes organic farming actually displace...
European farming is dealing with global questions as food safety, climate change and energy, while attempting to sustain competitiveness in world markets, higher standards of food production and responding to new demands for public goods and services. The energy requirements of food production are here a central issue. But a literature review on this topic, centered in the Mediterranean, reveal...
The distribution of Sphaerospora dicentrarchi Sitjà-Bobadilla et Alvarez-Pellitero, 1992 and S. testicularis Sitjà-Bobadilla et Alvarez-Pellitero, 1990, myxozoan parasites of European seabass Dicentrarchus labrax (L.), was investigated in different farming systems in Italy. In total, 1406 fish were examined. High S. dicentrarchi prevalence was observed in all the farming systems involved in thi...
One ecological environment monitoring system of Litopenaeus vannamei farming has been developed in order to protect and regulate the ecological environment of Litopenaeus vannamei farming, halt and reverses the situations in the ecological environment deterioration of Litopenaeus vannamei farming and the little farming success rate. The early warning information of ecological environment degrad...
■ Abstract With continued human pressure on marine fisheries and ocean resources, aquaculture has become one of the most promising avenues for increasing marine fish production in the future. This review presents recent trends and future prospects for the aquaculture industry, with particular attention paid to ocean farming and carnivorous finfish species. The benefits of farming carnivorous fi...
introduction: one of the fundamental issues in the agricultural sector in iran is the absence of optimal water and soil resources utilization and lack of new agricultural science and technology adoption through major prevailing transformations in agricultural land exploitation system. the studies conducted in the history of agricultural development in iran cast light on the fact that the farmin...
The First Green Revolution during 1970 s targeted to the four basic elements of production system viz. semi-dwarf high yielding varieties of rice and wheat, extensive use of irrigation, fertilizers and agro-chemicals and consequently resulted in terrific increase in the agricultural production. However, the agricultural production is experiencing a plateau nowadays, which has adversely affected...
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