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合理的种植密度
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  “合理的种植密度”译为未确定词的双语例句
     Intercropping or relay cropping could increase the total yield by 20%~50%, which was achieved by reasonable planting density and compound colony structure.
     间套作可以使产量提高20%~50%,合理的种植密度和复合群体结构是高产的关键。
短句来源
     The better size level and the better density level were selected. The results shown that minitubers of 0.5~ 1 .0 g is the better size level and 9000 plants / mu is rational density level for field planting.
     试验结果表明:0.5~10.g的脱毒小薯是田间生产较好的粒度水平,合理的种植密度为9000株/亩。
短句来源
     Therefore,the protein content can be increased by regulating fertilizer and plant density.
     4种因素之间存在明显互作效应,采取适宜的氮、磷、钾比例与合理的种植密度可以提高玉米籽粒蛋白质含量。
短句来源
     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。
短句来源
     The experiments make it clear that cotton's suitabl sowing-time is about on April 5th. The rea- sonable planting-density:wide-narrow row:45000~75000truns/hm~2
     试验研究表明,西昌棉花的最适播种期在四月五日前后,合理的种植密度为宽窄行4500~7500株/hm~2,单行4500~67500株/hm~2。
短句来源
  相似匹配句对
     It is reasonable.
     比较合理
短句来源
     Reasonable Orientation.
     合理定位。
短句来源
     On the Reasonable Use of Antibiotics
     抗生素合理应用
短句来源
     The improved design is reasonable.
     改进方案是合理
短句来源
     2.1t can be planted with ridging direct seeding, mulching plastic cover.
     2.合理种植
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The growth of cultivating experimental forest about high density of qianxidamu lacquertree is reported in this paper.

本文报道了黔西大木漆树高密度(1×1.33m)栽培试验林的生长情况,试验说明,大木漆树高密度种植在幼林期生长即出现分化,到6~7龄即开始自然整枝,高生长突出,径生长较差。1986年选取胸径≥8cm的植株进行割漆试验,平均株产144g,较引种区产量高2.24倍,但绝大多数植株不能投产割漆。根据试验材料分析,提出了合理种植密度的建议。

The rate of leave, pod and grain weight of distribution under different planting densityhas been studied for semi-determinate and indeterminate soybean varieties. The vertical distribution of the leaves in natural state is mainly at the top of the plants. Leaves,pods andgrains of semi-determinate varieties are large distributed in the middle and top nodes, andthose of the indeterminate ones are the middle and bottom. The rate of pods and grains ofstrongly branching indeterminate ones is highest in the middle...

The rate of leave, pod and grain weight of distribution under different planting densityhas been studied for semi-determinate and indeterminate soybean varieties. The vertical distribution of the leaves in natural state is mainly at the top of the plants. Leaves,pods andgrains of semi-determinate varieties are large distributed in the middle and top nodes, andthose of the indeterminate ones are the middle and bottom. The rate of pods and grains ofstrongly branching indeterminate ones is highest in the middle portion. Planting density effects on the distribution rate of leaves, pods and grains to a large extent.The relationship ofsource and sink at the same vertical position is sisnificant. It is on effective way to raise theyield of soybean by means of suitable planting density and proper management in accordancewith the characteristic of the vertical distributive rate of leaves, pods, and grains of differentsoybean varieties. Soybean yield can be promoted if the productivity potential of the most efficient vertical portion can be released.

本研究对亚有限和无限类型品种在不同密度条件下时、荚、粒重垂直分布规律进行了分析。自然状态叶片分布主要位于群体上层,亚有限结荚习性品种叶、荚、粒重垂直分布比例以上中层节位为主,无限结荚习性以中下层为主,分枝力较强的无限类型中层荚粒比例较大。密度对叶、荚、粒分布作用明显,同层次源库对应关系显著。根据不同类型品种叶、荚、粒垂直分布特点确定合理的种植密度和栽培管理措施,注意发挥主导层次生产潜能,充分发掘品种自身生产潜力,是提高大豆籽实产量有效途径。

In this paper, the produchvity of potato minitubers at five size levels and three density levels was studied. Economic characters of different treatments were compared. A comprehensive evaluation of the different treatments was conducted.The better size level and the better density level were selected. The results shown that minitubers of 0.5~ 1 .0 g is the better size level and 9000 plants / mu is rational density level for field planting.

本文研究了马铃薯脱毒小薯5个不同粒度水平和3个密度水平下的生产能力和种薯的投入产出情况.通过试验,分析和比较了不同处理的主要经济性状的表现.综合评价了不同处理的利用价值,筛选了可用于生产的较好的粒度和密度水平。试验结果表明:0.5~10.g的脱毒小薯是田间生产较好的粒度水平,合理的种植密度为9000株/亩。

 
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