نتایج جستجو برای: pesticides and animal fertilizers
تعداد نتایج: 16851946 فیلتر نتایج به سال:
The study employed a Stochastic Frontier Production approach to determine the future investment strategies that can enhance the production of rice in Punjab, Pakistan. The data is collected from 200 farmers in the year of 2005 from two Tehsils of Sheikhupura district which is one of the major rice growing districts of Punjab province. The results of stochastic production function indicate that ...
Agricultural intensification is a highly specialized agri-food system that has contributed to raising food production worldwide due progress in agricultural machinery and technologies, the use of improved cultivars, external inputs such as fertilizers, irrigation, pesticides [...]
This paper studied the total factor productivity (TFP) of agriculture in Bohai Rim region. The agricultural TFP showed dependence development on chemical fertilizers, pesticides, labor, science, technology, etc. By coordinating inputs various production factors, efficiency can be improved, reducing over-reliance fertilizers and pesticides achieving sustainability agriculture. In this study, sec...
Agricultural pesticide contamination of sediments from five Mississippi Delta oxbow lakes and their effects and bioavailablity to Hyalella azteca were assessed during a low-application season-autumn. Three reference oxbow lakes were located in the White River National Wildlife Refuge (WRNWR), Arkansas and two impaired lakes, according to the US Environmental Agency Sect. 303 (d) Clean Water Act...
The chapter substantiates the conclusion that an organic product is a food produced on basis of natural agriculture and animal husbandry, without use pesticides other plant protection products, chemical fertilizers, growth stimulants fattening. Having studied agricultural legislation Russia EAEU countries, authors note these legal acts contain large number common approaches methods state regula...
Human activities such as mining, expanding industrial areas, application of fertilizers and pesticides on land, petrochemical spillages, etc. lead to an increase in the number heavy metals soil, thereby causing soil contamination. Similar air water contamination, contamination also has a severe impact ecological balance. Iron, chromium, zinc, copper, lead, cadmium, mercury are major metal pollu...
The main objective of this study was to compare the performance of two liquid organic fertilizers, an animal and a plant-based fertilizer, with mineral fertilization on citrus trees. The source of the fertilizer (mineral or organic) had significant effect in the nutritional status of the organic and conventionally managed mandarins. Nutrient uptake, vegetative growth, carbohydrate synthesis and...
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