查询词典 plantation
- 与 plantation 相关的网络例句 [注:此内容来源于网络,仅供参考]
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It indicated that:(1) The growth of rubber trees were increased in this intercropping pattern;(2) It was effective to decrease temperature of the rubber plantation in summer, increase the atmospherical moisture content and water content in soil;(3) It was also effective to improve the soil condition and increase its usable phosphor content.
结果表明:(1)间作唐鬼桑能促进中幼龄胶园的胶树生长;(2)可降低胶园的空气温度,提高系统内的空气相对湿度,增加胶园土壤含水量;(3)能改善土壤性状,增加土壤有效磷的含量。
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In this thesis, research on alleviation of autotoxicity by planting mixture of Chinese fir and Broadleaf trees and developing undergrowth vegetation were also done. The results showed that Michelia macclurei and Cinnamomum camphora had positive allelopathic effect on the growth of Chinese fir saplings and developing undergrowth vegetation improved soil decline of Chinese fir plantation.
另外,论文还从植物化感作用的角度,对克服杉木人工林连栽障碍的其它生产措施,如营造混交林及人促林下植被的发育生长,进行了研究:提出了与杉木化学生态关系良好的两种伴生树种,并从化感作用角度证明人促林下植被发育有利于克服杉木人工林的连栽障碍。
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The aerobic bacteria andtotal microorganism were the highest in autumn and the lowest in winter;Theactinomycetes was the highest in spring and the lowest in winter;The rhizospherefungi was the highest in autumn and the lowest in winter, the non-rhizosphere fungi was the highest in spring and the lowest in winter.The average microorganism"s R/Sof four seasons in Eucalyptus grandis plantation is 1.40,the aerobic bacteria"s averageR/S of four seasons is 1.40,the actinomyeetes"s average R/S of four seasons is 1.40,thefungi"s average R/S of four seasons is 1.41.The uprightness distribution rule ofrhizosphere and non-rhizosphere soil microorganism in Eucalyptus grandis plantationwere the same,the trend is surface layer(0-20cm)>middle layer(20-40cm)>underlayer(40-60cm).Compared with the amount of microorganism in 2004, the amount ofmicroorganism in 2006 had a definite drop.
好气性细菌及微生物总数量秋季最高、冬季最低;放线菌数量春季最高、冬季最低;真菌数量根系土壤秋季最高、冬季最低,根外土壤春季最高、冬季最低;巨桉人工林三大类微生物四季的平均R/S值1.40,好气性细菌四个季度平均R/S值1.40,放线菌四个季度平均R/S值1.40,真菌四个季度平均R/S值1.41;巨桉人工林两样地根系与根外土壤微生物垂直分布规律一致,土壤微生物三大类及微生物总数量的垂直变化总的趋势是表层(0~20cm)>中层(20~40cm)>下层(40~60cm);相比较2004年土壤微生物数量,2006年三大类数量及微生物总数均有一定程度的下降。
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The result showed by studing the Effect of Betula platyphylla Suk.plantation forest in gap of Stump on Soil Respiration rate,the effect of stump on soil respiration in gap will be a long time.
3对白桦人工林内林隙内伐根对林隙内土壤呼吸影响的研究表明,伐根对林隙内林地呼吸作用的影响在一个较长的时期内存在,它影响了林隙内土壤呼吸速率的大小和水平空间分布。
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Two-year-old plantation-grown Melaleuca leucadendron from Vietnam was evaluated for its pulpability, including aspects of fiber morphology, chemical analyses, pulp properties, bleachability, and paper qualities, to establish the suitability of the material as a potential source for kraft pulping.
本文探讨速生越南产二年生白千层木材之制浆适性,进行纤维形态性质、化学组成分析及由制浆性质、漂白性及纸浆品质各项观点来评估其做为制浆原料之适用性。
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If time that 95% of dry matter is decomposed expresses turnoverperiod of litterfall decomposition,the turnover periods of Chinese fir,Castanopsis fissa,Schimasuperba,Castanopsis fargesii,ficus simplicissima,Maesa japonica,Boehmeria nivea,Woodwardiajaponica,Angiopteris fokiensis and Dicranopteris dicotoma put in 20-year-old Chinese firplantation are 2.7,2.1,3.0,2.2,0.5,1.9,0.3,1.5,0.9 and 3.9 years,respectively;they are 2.2,1.6,2.0,1.6,0.3,1.7,0.4,1.3,0.7 and 2.8 years put in 25-year-old Chinese fir plantation,respectively.
若以95%的干物质被分解后所需的时间表示凋落物的周转期,在20年生杉木林内,杉木、闽粤栲、木荷、丝栗栲、三龙爪、杜茎山、苎麻、狗脊、观音座莲和芒萁的凋落物周转期分别为2.7、2.1、3.0、2.2、0.5、1.9、0.3、1.5、0.9和3.9年;在25年杉木林内,它们分别为2.2、1.6、2.0、1.6、0.3、1.7、0.4、1.3、0.7和2.8年。
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He says bunchy top disease and banana bacterial wilt can both affect entire plantation s.
他说,束顶病和细菌性枯萎病都会影响到整个种植园。
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At least cultivars had been studied and selected for commercialized plantation and were name as Butea I and II.
至少品种进行了研究,并选定了商品化种植,并获得名称为化妆品第一卷和第二卷。
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Is a perennial herbaceous plant in the family Cactaceae originated from the rainforest in tropic America. In Taiwan, there are about 1000-ha pitaya plantation mainly in the middle and southwestern areas.
原产热带美洲雨林,属仙人掌科三角柱属多年生攀缘性肉质植物,喜高温多湿之气候,目前全台栽培面积近1000公顷,产区主要集中在中南部,为国内重要的新兴水果。
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Based on the sampling analysis,concentration and variation of five elements which are N,P,K,Ca and Mg in different organs for three growth stages of Castanea henryi plantation have been studied.
在林分样地调查分析的基础上,研究了3 个不同生长发育时期即未结果期、结果初期和盛果初期锥栗人工林各器官N、P、K、Ca 、Mg 的养分浓度及其变化。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?