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- 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。
- 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。
- 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。
- 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。
- After selected various high yielding and hybrid varieties, their nutrient uptake pattern, interaction among fertilizer, varieties and plant density should be investigated. 近年来，我国选育出一批主要作物的高产品种和杂交种，应当研究它们的需肥特性，研究施肥与这些新品种及其种植密度等不同措施的关系。
- 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。
- 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。
- Increasing plant density could increase the accumulation rates of amylose, amylopectin and starch from 14th to 35th DAA and the contents and the accumulated amounts of amylose, amylopectin at maturity. 降低施氮量，减少后期施氮比例，提高密度，显著增加了生育中后期可溶性糖含量及C/N比值，降低生育后期植株含氮率，减少氮素的吸收积累，降低花后14一35天旗叶NRA，从而降低籽粒蛋白质含量，改善弱筋小麦品质。
- Percentages of stemflow and throughfall in total water applied are affected by crop species, canopy characteristics, plant density, sprinkler irrigation system, field topography and microclimate. 以不同方式进入土壤中的水全与作物的种类、冠层结构、种植密度，以及喷灌系统和喷灌时的农田小气候等因素有关。
- Irrigation status, nitrogenlevel,crop variety and planting density had no influence on A.flavi quantity in soil. 灌溉状况、施氮水平、作物品种和种植密度对土壤中黄曲霉数量没有影响。
- Conclusion: Reasonable planting density can improve the output and quality of saff lower crude drug. 结论:合理的种植密度可以提高红花药材的产量和品质。
- The planting density showed little impact on sapwood width, while it had highly significant effects on wetwood width. 栽植密度对边材宽度影响不大,而对湿心材宽度影响达极显著水平;
- Study on the initial planting density and its adjustment of Pinus sylvestris var. Mongolica Litvin. Artificial forest in the sand land. 沙地樟子松人工林初植密度及其调控研究。
