منابع مشابه
Utilizing an Alternative Sampling Frame to Produce Agricultural Survey Indications
The U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service (NASS) conducts hundreds of surveys every year and prepares reports covering virtually every aspect of U.S. agriculture. NASS maintains a list frame containing names, addresses, telephone numbers, and other descriptive data on producers (and agribusinesses) and an area frame covering all land area in the U.S. T...
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Trametes hirsuta is an efficient lignin-degrading species due to its ability to produce laccase and Mn-dependent peroxidase. Agricultural residues represent prospective substrates for the bioconversion into fungal biomass and lignocellulolytic enzymes, but also they could be potential environmental pollutants. Evaluation of the potential of T. hirsuta to produce ligninolytic enzymes during soli...
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control services for fresh produce Daniel S. Karp*, Rebekah Moses, Sasha Gennet, Matthew S. Jones, Shimat Joseph, Leithen K. M’Gonigle, Lauren C. Ponisio, William E. Snyder and Claire Kremen Department of Environmental Science, Policy and Management, University of California, Berkeley, CA 94720, USA; The Nature Conservancy, San Francisco, CA 94105, USA; Swanton Pacific Ranch, California Polytec...
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Substantial numbers of smallholder co-operatives in Africa fail each year due to their inability to be self-sustaining. Liberalization of Mali‘s cereal sector in the 1990s resulted in transition from a cereal deficit to self-sufficiency. However, problems like credit, poor marketing and low prices hindered real development of the sub-sector. In 1997, the FASO JIGI Cooperative marketing project,...
متن کاملBiomass Refinery - A Way to Produce Value Added Products and Base for Agricultural Zero Emissions System
It has been shown that biomass refinery (biorefinery) with Zero Emissions perspective could convert agricultural wastes into valueadded chemicals and materials. Agricultural and plantations wastes would become as main resources for biorefinery without soil degradation and needs of additional land. Biorefinery non-farm production cycle is crucial for job generation and poverty elimination in rur...
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ژورنال
عنوان ژورنال: Nature
سال: 1984
ISSN: 0028-0836,1476-4687
DOI: 10.1038/311317a0