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coconut tree
相关语句
  相似匹配句对
     A Wonderful Tree——Coconut Palm
     奇妙之树——椰子树
短句来源
     TREE HOUSE
     树屋
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     Coconut Cookies
     椰子酥饼
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     THE APPLE TREE
     蘋菓树
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     Coconut Yoghurt Making
     椰子酸奶的研制
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  coconut tree
Structure property studies of fibres from various parts of the coconut tree
      
However, at that stage of coconut tree development, the density of primary roots in the interrow limited intercrop development, especially for root and tuber crops.
      
Our results showed that intercropping with shade-tolerant species was not limited by light transmission from the 35th year after coconut tree planting.
      
This study aimed to determine which protocol to use and which part of the coconut tree is most appropriate to extract good-quality genomic DNA.
      
palmarum fecal material made by LM and SEM showed three species cohabiting these samples, being also present in fresh juice and fragments of infected coconut tree: B.
      
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The natural conditions (inclusive of the amount of warmth, light, rainfall) and soil etc.) in Hainan Island are suitable for growing coconut trees.Therefore, to take such measures as are suitable to local conditions for development of coconut production is a superiority in agriculture But we must solve the the following problems in the procedure of its production.

海南岛的自然条件(含温度、日照、雨量和土壤等)适宜于椰子树的生长和发育。在海南岛因地制宜的发展椰子生产是农业的优势。但是,我们必须解决在海南岛发展椰子生产上存在如下的问题。 1.制定政策和落实政策;2.提高椰子树的品种质量;3.提高椰子树的栽培技术水平;4.发展椰子产品加工业;5.建立领导机构和科研机构;6.积极从国外引进新技术和资金。

Studies were made on the coconut -based ecosystems intercropped with pastures.Adaptability experiments were conducted on different types of coconut plantations intercropped with different pastures to observe the changes in root distribution,soil nutrient and temperature,growth and yield of the main crop and the intercrops.The results showed that both graminaceous and leguminous pastures grew normally in coconut plantations with a planting density of10m×6m at above50%of the relative illumination...

Studies were made on the coconut -based ecosystems intercropped with pastures.Adaptability experiments were conducted on different types of coconut plantations intercropped with different pastures to observe the changes in root distribution,soil nutrient and temperature,growth and yield of the main crop and the intercrops.The results showed that both graminaceous and leguminous pastures grew normally in coconut plantations with a planting density of10m×6m at above50%of the relative illumination intensity.Most varieties of pasture grew normally in the coconut plantations of8m×6m with the relative illumination intensity of about 30%.Only few graminaceous pastures grew normally in the coconut plantations of6m×6m with the relative illumination intensity of less than30%.The stability of graminaceous pastures/coconut systems was better than that of leguminous pastures/coconut systems.It is recommended that intercrops be grown1m away from young coconut trees and2m away from mature coconut trees.

进行了椰园间作牧草生态系统的研究。通过不同类型椰园间作不同品种牧草的适应性试验,观测了不同主间作物栽培方式中椰园根系分布、土壤养分与温度、主间作物生长及产量等方面的变化。结果表明:(1)在种植密度为10m×6m的椰园(相对光照强度约在50%以上)中,禾本科和豆科牧草均能正常生长;在8m×6m的椰园(相对光照强度约在30%左右)中,多数牧草品种能正常生长;在6m×6m的椰园(相对光照强度不足30%)中,只有少数禾本科牧草能基本正常生长。(2)禾本科牧草与椰树组成的系统稳定性比豆科牧草的好。(3)间作物一般应距幼树1m、成龄树2m以外的地方种植。(4)合理压青培肥与科学防治金龟子害虫,有利于加强主间作物生态系统的稳定性。

The paper dealt with the method and 5 kinds of pesticides against the exotic pest, Brontispa Longissima (Gestro),which seriously damage coconut trees in Hainan Province recently. Root cap application of Furadan 3G, and trunk inoculation of other 4 kinds of pesticides were made, but the control effects of 5 pesticides were not satisfactory. The result showed that they could kill only 3.9% to 18.3%of the pest. The control effect of Furadan and that of the trunk inoculation of Luchangcheng were 18.3% and...

The paper dealt with the method and 5 kinds of pesticides against the exotic pest, Brontispa Longissima (Gestro),which seriously damage coconut trees in Hainan Province recently. Root cap application of Furadan 3G, and trunk inoculation of other 4 kinds of pesticides were made, but the control effects of 5 pesticides were not satisfactory. The result showed that they could kill only 3.9% to 18.3%of the pest. The control effect of Furadan and that of the trunk inoculation of Luchangcheng were 18.3% and 17.0% separately.

新近传入海南的危险性害虫———椰心叶甲 ,威胁着椰树及其它棕榈科植物的安全。选用5种农药对高杆椰树进行茎干注射和根部埋药防治椰心叶甲试验 ,结果表明 ,3 %呋南丹颗粒剂 ,30%乙酰甲胺磷乳液比其它3种农药效果好。

 
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