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.

結(jié)果表明：（1）間作唐鬼桑能促進(jìn)中幼齡膠園的膠樹生長；（2）可降低膠園的空氣溫度欧美熟女性爱爱，提高系統(tǒng)內(nèi)的空氣相對(duì)濕度，增加膠園土壤含水量；（3）能改善土壤性狀男人扎爽进女人j网站视频超多，增加土壤有效磷的含量。

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.

另外国语精品国内自产拍视频，論文還從植物化感作用的角度男人的天堂官网，對(duì)克服杉木人工林連栽障礙的其它生產(chǎn)措施综合婷婷国产天堂久久，如營造混交林及人促林下植被的發(fā)育生長，進(jìn)行了研究：提出了與杉木化學(xué)生態(tài)關(guān)系良好的兩種伴生樹種找点黄片看看听听叫床，并從化感作用角度證明人促林下植被發(fā)育有利于克服杉木人工林的連栽障礙另类激情视频。

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.

好氣性細(xì)菌及微生物總數(shù)量秋季最高、冬季最低wwwbbbb；放線菌數(shù)量春季最高久久www.98riav.com、冬季最低；真菌數(shù)量根系土壤秋季最高在线a片视频。、冬季最低免费专区-iGAO视频网_为爱搞点激情，根外土壤春季最高、冬季最低欧美偷拍99；巨桉人工林三大類微生物四季的平均R／S值1.40国产中日韩久久久噜噜久久，好氣性細(xì)菌四個(gè)季度平均R／S值1.40，放線菌四個(gè)季度平均R／S值1.40插穴影院，真菌四個(gè)季度平均R／S值1.41色噜噜噜在线观看网站；巨桉人工林兩樣地根系與根外土壤微生物垂直分布規(guī)律一致，土壤微生物三大類及微生物總數(shù)量的垂直變化總的趨勢(shì)是表層(0～20cm)＞中層(20～40cm)＞下層(40～60cm)人人人人插人人干人人操；相比較2004年土壤微生物數(shù)量免费人人插人人操，2006年三大類數(shù)量及微生物總數(shù)均有一定程度的下降。

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對(duì)白樺人工林內(nèi)林隙內(nèi)伐根對(duì)林隙內(nèi)土壤呼吸影響的研究表明国产在线网址，伐根對(duì)林隙內(nèi)林地呼吸作用的影響在一個(gè)較長的時(shí)期內(nèi)存在亚洲中文字幕区，它影響了林隙內(nèi)土壤呼吸速率的大小和水平空間分布。

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.

本文探討速生越南產(chǎn)二年生白千層木材之制漿適性超污污网站，進(jìn)行纖維形態(tài)性質(zhì)日韩精品网站日韩在线观看免费视频、化學(xué)組成分析及由制漿性質(zhì)、漂白性及紙漿品質(zhì)各項(xiàng)觀點(diǎn)來評(píng)估其做為制漿原料之適用性中文字幕在线中文不卡。

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%的干物質(zhì)被分解后所需的時(shí)間表示凋落物的周轉(zhuǎn)期日韩欧美操逼视频，在20年生杉木林內(nèi)，杉木亚洲国产看片基地久久1024、閩粵栲亚洲视频精品一区、木荷、絲栗栲一区二区欧美性爱、三龍爪国产亚洲欧美日韩精品A片、杜莖山、苧麻美女叉开腿让男生桶爽视频、狗脊大逼视频、觀音座蓮和芒萁的凋落物周轉(zhuǎn)期分別為2.7、2.1国产精品无码一区二区应用、3.0手机日韩精品一区二区亚洲AV、2.2中文字幕不卡毛片网址、0.5、1.9亚洲熟妇天堂久久、0.3女被男啪到喷水视频网站、1.5、0.9和3.9年免费的不卡的av网站；在25年杉木林內(nèi)超碰人人妻人人妻，它們分別為2.2、1.6免费看国产黄色A片精品、2.0免费黄色网址1、1.6、0.3色黄色免费在线、1.7国产黄色网站播放、0.4、1.3www久久网、0.7和2.8年俄罗斯特级黄片免费观看一区二区三区。

He says bunchy top disease and banana bacterial wilt can both affect entire plantation s.

他說，束頂病和細(xì)菌性枯萎病都會(huì)影響到整個(gè)種植園美女销魂国产一级A片。

At least cultivars had been studied and selected for commercialized plantation and were name as Butea I and II.

至少品種進(jìn)行了研究yw193.com，并選定了商品化種植，并獲得名稱為化妝品第一卷和第二卷国产激情综合网。

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.

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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.

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