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- Optimum plant density affects the use efficiency of crops production factors. To define it on peanut in Argentina we applied asymptotic model (Eq. 1). 种植密度是影响作物生产效率的关键因素之一,因此将渐近模型(方程1)应用到阿根廷的花生种植密度决策中。
- Objective：To study optimum planting density and sowing depth of Tulipa edulis. 目的：研究光慈菇最佳的人工栽培密度、深度等。
- treatment designs to optimum plant density 最理想植株密度的处理设计
- An optimum planting density must be employed to get a high yield, depending upon soil condition, varietal tillering ability, fertilizer level, number of plants per hill, and planting season. 获得高产必须采用最适植株密度，视土壤条件、品种分蘖力、肥力水平、每蔸苗数和播种季节而定。
- The Optimum Planting Density of Mexico Maize Variety for Special Fresh Fodder 墨西哥专用青饲玉米最佳种植密度研究
- optimum plant density 最佳植株密度
- Determining Optimum Planting Density of Masson Pine Fast- growing and High-yielding Plantations forVarious Cultivation Objectives 马尾松速生丰产林不同培育目标的适宜造林密度
- Optimum planting density 种植密度
- Plant density have higher effect on ear characters than nitrogen application. 密度比施氮量对果穗穗部性状的影响更大些。
- Effect of plant density and fertilizer application on plantain yield in two soils from Colombia with different natural fertility is shown (Table 2). 表2说明了在哥伦比亚的两种不同天然肥力土壤上种植密度及肥料用量对大蕉产量的影响。
- Cultivar selection and plant density had the greatest effect on increasing corn yields. 品种选择、密度、施肥量、灌溉、害虫防治、收获管理、生长调节剂等。
- The rate of the disease is directly connected with the plant density and the methods of cultivation. 苗期茎腐病的发病程度与核桃苗的栽植密度和苗圃地的耕作方式有直接关系.
- Zhang J W, Hu C H, Wang K J, Dong S T, Liu P.Effects of plant density on forage nutritive value of whole plant corn. 张吉旺;胡昌浩;王空军;董树亭;刘鹏.;种植密度对全株玉米饲用营养价值的影响
- In order to increase yield of maize, effect of plant density and sowing patterns on yield of silage maize were studied. 为了挖掘青贮玉米的增产潜力,本研究就种植方式和种植密度对青贮玉米产量的影响进行了研究。
- Effect of plant density and fertilizer application on plantain yield in two soils from Colombia with different natural fertility is shown( Table2). 表2说明了在哥伦比亚的两种不同天然肥力土壤上种植密度及肥料用量对大蕉产量的影响。
- Hunter A H.Laboratory and greenhouse techniques for nutrient survey to determine the soil amendments required for optimum plant growth [R]. Mimeograph. Agro Service lnternational，Florida，USA.1980. 吉林省农牧厅土地管理处.;一九八三年土壤普查成果应用试验示范总结，吉林省农牧厅，吉林省土壤普查成果应用资料汇编（第二辑），1984年8月
- Contents of Ca, Mg, Fe, Cu, Mn and B decreased with plant density decreasing, on the contrary content of ash increases with plant density increasing. 烟叶中Ca、Mg和Fe、Cu、Mn、B的含量都是随密度下降而减少,但灰分含量却是随密度的下降而增大。
- The following order of effect was found: variety > seedling age and methods of top fertilization > plant density and pattern of vine cutting. 结果表明,品种对西瓜产量的影响最大,其次是秧苗的大小和追肥的方法,而种植密度和整枝方式影响较小。
- Room competition resulted from plant density was the main reason leading to deadwood, withered leaves, bark abscission, deflection crown. 樟子松的栽植密度引起空间竞争是树木产生枯枝、枯叶，树皮剥离，树木偏冠的主要原因。
- Hole sowing and higher planting density were beneficial to silage maize. 高密度取穴播对提高青贮玉米产量有较好效果。
