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单品种生产—库存系统的最优期量标准
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作者 孔伟成 董云庭 《杭州电子工业学院学报》 1993年第4期1-8,共8页
关键词 库存系统 期量标准 单品种生产
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Effect of Growing Media on Growth and Flowering of Different Hyacinth Cultivars (Hyacinthus orientalis L.)
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作者 Yousif Ali Abdulrahman Sulaiman Mohammed Kako 《Journal of Agricultural Science and Technology(B)》 2012年第10期1100-1108,共9页
A pot experiment has been conducted in Faculty of Agricultural and Forestry, Lath House of Horticultural Department, School of Plant Production, Duhok University during the growing season 2010-2011. The study consiste... A pot experiment has been conducted in Faculty of Agricultural and Forestry, Lath House of Horticultural Department, School of Plant Production, Duhok University during the growing season 2010-2011. The study consisted of testing the effects of four different growth media (Clay, Loam, Clay + sheep manure (1:1) and Loam + sheep manure (1:1) as volumetric rates on vegetative and flowering growth characters of five different cultivars of Hyacinths plant (Blue Giant, City of Haarlem, Jon Bos, Delf Blue and Fondante). The experiment was laid out in randomized complete block design (RCBD) of two factors in three replicates. Media mostly affected the parameters studied during the experiment. Early emergence (22.53 days) and flowering (73.13 days) was recorded in medium consisting of loam and sheep manure, while maximum plant height (19.75 cm), leaves number (6.13), leaf area (31.47 cm2) were recorded in clay medium. Maximum number of florets plant-l (31.93) and spike length (7.95 cm) were recorded in medium consist of clay and sheep manure. Maximum length of spike stem (9.61 cm) and total chlorophyll percentage (53.45%) were recorded for loam medium. Among the cultivars, some parameters showed significant variation. Early emergence (20.42 days), maximum plant height (20.35 cm), leaf area per plant (33.01 cm2) and length of spike stem (15.10 cm) were given by cv. Fondante. Maximum number of florets plantl (35.58) and spike lengths (8.63 cm) were recorded by cv. Blue Giant. High percentage of total chlorophyll (58.15%) was recorded in cv. Jon Bos.. 展开更多
关键词 Growing media BULBS CULTIVARS hyacinths (Hyacinthus orientalis L.).
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