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Published on: 2008-04-03
Released on: 2008-04-03
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Simply put, allelopathy refers to an ecological phenomenon of plant-plant interference through release of organic chemicals (allelochemicals) in the environment. These chemicals can be directly and continuously released by the donor plants in their immediate environment as volatiles in the air or root exudates in soil or they can be the microbial degradation products of plant residues. The chemicals may interfere with survival and growth of neighboring or succeeding plants. Black walnut, eucalyptus, sunflower, sorghum, sesame and alfalfa are common examples of plants with allelopathic property as well as some staple crops such as rice, wheat, barley and sorghum. Plants can emit chemicals that also discourage insects and pathogens. To maintain sustained productivity, knowledge of this form of plant interference on other plants and on disease causing organisms has been used in agriculture since prehistoric time by manipulating cropping pattern and sequence such as mixed cropping and crop rotation. However, use of numerous agrochemicals including a wide range of herbicides, pesticides, fertilizers and genetically modified high yielding crops has become the characteristic feature of modern industrial agriculture. Not only the sustainability of crop yield is called into question in this form of agriculture, the extensive long-term and often irreversible environmental degradation including ground water contamination and food safety associated with industrial agriculture are now of serious concern worldwide. The objective is to report on the latest advances in allelopathy by inviting leading scientists to contribute in specific fields. The volume is organized under three major subsections: History of allelopathy, Allelochemicals, allelopathic mechanisms, and bioassays, and Application of allelopathy in agriculture and forestry. An emphasis is place on methodology and application, making it a truly practical reference. Publications - European Commission - EIP-AGRI In 2016 independent consultants Coffey International Development conducted an evaluation study of the EIP-AGRI for the European Commission (DG AGRI). The Regional Institute - Publications Australian Association Of Natural Resource Management. Authors; Program; Australian Barley Technical Symposium. Authors; Allelopathy. Allelopathy. Invited. Ecology Cover crop - Wikipedia A cover crop is a crop planted primarily to manage soil erosion soil fertility soil quality water weeds pests diseases biodiversity and wildlife in an ... Competition in Plant Communities - Ecology - Oxford ... Competition is generally understood to refer to the negative effects caused by the presence of neighbors usually by reducing the availability of resources ... DEPARTMENT OF AGRONOMY HAU General The Department of Agronomy a constituent department of College of Agriculture of CCS Haryana Agricultural University made a ... Sustainable Agriculture Research and Education (SARE ... This site is maintained by SARE Outreach for the SARE program and features research projects supported by the National Institute of Food and Agriculture U.S ... Horticultural Science Abstracts - CABI.org Horticultural Science Abstracts "Horticultural Science Abstracts is a fully searchable abstracts database of internationally published research on horticultural crops ... Learn More About SARE Learning Center ...with sustainable agriculture news and links to free books videos and more. Natural Herbicide vs. Commercial Herbicide Experiment ... This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub. Outline of sustainable agriculture - Wikipedia Sustainable agriculture integrates three main goals environmental health economic profitability and social and economic equity. These goals have been defined by a ...
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