1986(2).
Abstract:A preliminary study was made of the translocation of dry matter in the culm-sheath per shoot and ifs contribution to grain yield in 5 crosses of hybrid rice. The main results can be summarized as follows; 1 . The maximum per-shoot (culm plus sheath) dry w
1986(2).
Abstract:本文提出了一种用纯合基因型估计数量性状遗传力的新方法。该法的试验不需设置重复,只要有若干纯合基因型在两种不同环境(如年份、地点或栽培措施)下的观测值即可,因此特别适合于作物品种资源研究或育种实践中的资料分析。文中用一个油菜实例对本法和现有唯一的用纯合基因型估计遗传力的方差分析法进行了比较,结果表明本法具有试验简单,计算容易和估值更为实际等优点。
1986(2).
Abstract:Species richness, evenness and diversity of ultra violet light trap capturing insect community were measured seasonally and annually at 7 habitats (biotopes) (Jingzhou cotton field area in Qianjiang, Dangyang cotton field area, Hanyang rice field area and
1986(2).
Abstract:The influence of several fertilizer structures on phosphorus supplying power and organic phosphorus fractions of the paddy soil in the southeastern area of Hubei province was studied. The results indicated that average values of total P, inorganic availab
1986(2).
Abstract:用黑麦连续耗竭栽培和盆栽棉花、田间小区种植棉花拖钾的办法,综合评价了湖北省七种旱地土壤的供钾能力。结果表明,黑麦从0—50厘米土层中累积吸钾为41.57—98.66毫克/100克士,说明供试土壤的供钾能力不同。棉花施用钾肥的效应,土壤间亦不同,可反映供试土壤供钾能力的上述差异。黑麦累积吸钾量中,有0—24%来自速效钾,来自缓效钾的占76—100%,缓效钾的含量及其释放速率与土壤粘粒矿物组成及其含量有关。
1986(2).
Abstract:Superposition, a mathematical method used in engineering science, has been introduced into pharmacokinetics as a convenient noncompartment method for calculating the dosage regimen.The present study, according to the principles of pharmacokinetics, has de
1986(2).
Abstract:桂花久经栽培后,形成了丰富的栽培品种。本文在综述前人对桂花品种分类的研究成果的基础上,认为仅以花的颜色不同而定为一个种是很不恰当的,进而提出了新的分类标准是,以金桂、丹桂、银桂和四季桂四个组(group)为桂花分类的第一级标准,花的特征为第二级标准,叶的特征为第三级标准,花期的迟早为第四级标准。
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