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advanced generation improvement
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advanced generation improvement
Encyclopedia
农学
经济林育种
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advanced generation improvement
多世代改良
针对某特定树种的育种目标,依据该树种的生物学和林学特性、遗传变异特点和资源状况,采用轮回选择方法最大限度地提高每个世代内改良性状的遗传增益,维护育种群体广泛的遗传基础,最终实现长期改良目标的育种计划。
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National Gallery of Zimbabwe
National Gallery Prague
National Games for Ethnic Minorities of China
National Games of China
National Games of the People’s Republic of China
national garden city
National Gendarmerie of France
National General Atlas of the People’s Republic of China
National General Bibliography
National General Station of Animal and Veterinary Service
National Geodetic Survey
National Geographic Magazine
National Geographic Society
National Geological Library of China
national geological work index database
National Geomatics Center of China
national geoparks of china
National Geospatial-Intelligence Agency
national geothermal (including shallow geothermal energy) survey database
National GPS Geodetic Control Network 2000
National Grand Theater
National Grand Theatre of Peru
National Grange of the Order of Patrons of Husbandry
national gravity fundamental network
National Gravity Fundamental Network 1957
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