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几种良种兔与土种兔杂交试验 被引量:1
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作者 卢芳仲 《福建畜牧兽医》 1996年第1期7-9,共3页
用新西兰、日本大耳、青紫兰、比利时、塞北兔为父本,大田本地兔为母本,组成5个组合进行杂交试验,试验表明塞北免(♂)×本地兔(♀)所生后代在出生重、断奶重、成年体重和平均日增重等方面均明显地优于其他组合,比对照组分... 用新西兰、日本大耳、青紫兰、比利时、塞北兔为父本,大田本地兔为母本,组成5个组合进行杂交试验,试验表明塞北免(♂)×本地兔(♀)所生后代在出生重、断奶重、成年体重和平均日增重等方面均明显地优于其他组合,比对照组分别提高37.35%、46.07%、115.27%和52.27%。 展开更多
关键词 良种 土种兔 杂交
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Land's Prior Use Affects the Establishment and Productivity of Rabbiteye Blueberry (Vaccinium ashel~ Cultivars
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作者 Richard Joel Potter Elina Coneva Jeff Sibley Fenny Dane Jay Spiers Kenneth Tilt 《Journal of Environmental Science and Engineering(A)》 2013年第12期725-731,共7页
"Austin" and "Climax" rabbiteye blueberries (Vaccinium ashei) grown on two soil types in Columbia, AL were studied during 2009-2010 to evaluate the effect of soil quality on blueberry vegetative growth, yield, a... "Austin" and "Climax" rabbiteye blueberries (Vaccinium ashei) grown on two soil types in Columbia, AL were studied during 2009-2010 to evaluate the effect of soil quality on blueberry vegetative growth, yield, and fruit characteristics. The site previously used for peanut production had 2% organic matter, a high soil pH, and a high phosphorus level, while the site previously left to pasture had twice as much organic matter, lower pH and phosphorus. Both cultivars had greater fruit set when grown on pasture land in comparison to the same cultivars grown on old crop land. Pasture land grown "Austin" and "Climax" plants produced as much as three times greater yields than the same cultivars grown on old crop land, and were more vigorous in comparison with plants grown on old crop land. Higher plant vigor and yields may be a result of the alleviation of establishment stress provided by the higher organic content found on the pasture land soil. Proper soil amendment prior to planting may serve to improve some of the differences in rabbiteye blueberry plant performance during the years of establishment. 展开更多
关键词 Rabbiteye blueberry soil amendment yield fruit quality.
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