The result shows that the relationship of conopy density with living cover plant space expresses a negative correlation, age class expresses a positive correlation, age class expresses a positive correlation; the relationship of conopy density with the dead covering plant and general covering plant expresses a positive linear covrelation, age class expreses an indicial ...

研究結(jié)果表明，郁閉度與活地被物負(fù)荷量呈負(fù)線性相關(guān)關(guān)系AV无码免费毛片一二三四，齡級與其呈正線性相關(guān)關(guān)系黄色精品视频一区二区；故郁閉度與死地被物和總地被物負(fù)荷量呈正線性相關(guān)關(guān)系，齡級與其呈正線性相關(guān)關(guān)系欧美。。日韩。欧美。亚洲；蓄積量與地被物的負(fù)荷量呈線性正相關(guān)關(guān)系91性爱视频在线观看，但相關(guān)性較小。

Plant disease ︰ vanilla plant itself has the insectproof effect, plant disease question is not big, must spurt the agricultural chemicals not greatly, planter quantity and item more, the insectproof effect is more obvious.

病蟲害︰香草植物本身具有防蟲的效果一级做a爱片久久毛片香蕉女神，病蟲害問題不大欧美性爱香蕉视频，不大需噴農(nóng)藥，種植的數(shù)量及品目越多国产男女激情一区二区，防蟲效果越明顯av呦呦。

Rhinopithecus bieti mainly fed on 43 plant-parts, mainly plant buds and leaves during the plant vegetative period, and during the reproductive period, they lived on 31 parts, dominated by flowers and fruits. In the dormant period, they ate 19 items, and the seed capsule of Juniperus recurva var. coxii (A. B. Jackson) Melville and the buds or needles of Pinaceae were the primary food.

植物營養(yǎng)生長期時，滇金絲猴取食43個植物部位一级A片全网免费观看，主要是芽和葉五月天婷婷婷综合小说在线；生殖生長期，取食31個植物部位97亚洲熟妇自偷自拍另类图片，主要是花和果實91福利精品自拍视频导航；而在植物的休眠期，取食19個植物部位婷婷综合性，主要是小果垂枝柏的種皮和松科植物的芽與葉怕怕怕免费视频。

Morifolium is different in some botanic characters:"Hongxinju" was higher than other cultivars on height of plant, length of lamina, diameter of stem and agricultural character;"Xiaobaiju" is the best on the ramification and the quantity of capitulum on individual plant;"Dabaiju" is the most on the quantity and layer number of ligulate flower;"Changbanju" is me longest on the capitulum diameter and corolla of ligulate flower.2, The plant height, rate of dried material accumulate and chlorophyll content of four medicinal C.

本研究采用比較分析的方法，于2001年和2002年在同一栽培條件下国产精品全网在线观看，對江蘇省射陽縣多年栽培的藥用白菊花種內(nèi)分化的4個主要藥用白菊花栽培類型18禁黄网站禁片流畅观看，進(jìn)行植物學(xué)形態(tài)、內(nèi)在質(zhì)量国产综合第二页、苗期耐鹽性亚洲最大网站在线、產(chǎn)量性狀等方面進(jìn)行了比較系統(tǒng)的研究，結(jié)果如下： 1、4個主要藥用白菊花栽培類型在植物學(xué)性狀方面存在一定的差異免费无码a片；紅心菊株高最高国产真实露脸乱子伦对白，莖桿較粗，葉片最大超级碰人人操人人，農(nóng)藝性狀較好乱伦网址；小白菊每株頭狀花序數(shù)最多，小白菊分枝性好三级真人在线免费观看视频；大白菊舌狀花層數(shù)在线观看中文字幕亚洲、數(shù)目最多；長瓣菊花序直徑最大国产视频啊啊免费看，舌狀花花冠最長欧美一级二级在线。

The results indicated that there was an ecological succession of wetland plant communities and that the successive series is as follows: aquatic plant→helophytes→swampy prata→herbosa with the changes of habitat from aquatic to mesophytic. The horizonal distribution regularity of plant communities showed symmetric distribution at loop lake or banks of small stream and con centric distribution at depression. The vertical distribution regularity is as follows: aquatic vegetation→moor vegetation→swampy prata vegetation→subalpine meadow subalpine shrub from the center of lake to the hilltop.

結(jié)果表明，隨著濕地水分由多到少的變化欧美黄片另类，植物群落類型發(fā)生相應(yīng)的生態(tài)演替91日韩在线观看视频，其演替序列為水生植被→沼生植被→沼澤化草甸植被→草甸植被，且在水平方向呈對列式和同心圓式分布美女被破处视频网站；從湖心至丘頂?shù)拇怪狈植家?guī)律表現(xiàn)為水生植被→沼澤植被→沼澤化草甸→亞高山草甸→亞高山灌叢欧美一区二区色视频。

Corn seedling were grown for 5 harvests in pot experiments to evaluate potassium supplycapacity of the soils.Results indicated that when soil avaliable potassium decreased,the dryplant matter was firstly affected,secondly was the total uptake of potassium by plant,then was thepotassium content in plant.Exchangeable,nonexchangeable and mineral potassium wereavaliable for plant,but the contribution of each potassium form was depended on soil types.

本文在研究褐土、潮土不同層次土壤的供鉀特性女人天堂天天色、土壤各形態(tài)鉀素的動力學(xué)行為以及小麥根系對鉀素的吸收動力學(xué)特征的基礎(chǔ)上欧美一级在线看片，以玉米幼苗從土壤中的吸鉀量為對照，考察了土壤鉀素動力學(xué)特征與土壤鉀素生物有效性的關(guān)系色婬视频激情视频，運用熱力動力學(xué)理論建立了土—根系統(tǒng)中的鉀素能態(tài)鏈亚洲激情图片小说视频区，并確立了土壤鉀素生物有效性的能態(tài)指標(biāo)。

Based on the national tenth five magnitude project — Suzhou City Water Environment Improvement and Synthesize Demonstration item, we carried out the static simulation test and the dynamic simulation test under the condition of heavy pollution loading rate and low transparency and dissolved oxygen in polluted river of suzhou ancient city district. These investigations were on the base of the formers' work. We analyzed the purification effects and rules of plant floating-bed technology on polluted river water, and also applied the technology to purify the polluted river water in Miaojia River. Conclusions were summed up in the following:The dominance plant option test was carried out among Oenanthe javanica, Lolium mutliflorum and Allium sativum under low temperature condition. The results showed that the Oenanthe javanica was the dominance floating-bed plant under low temperature condition. Its net removal rate of TN免费A片在线观看,、 NH_3-N看久久久久久久久特级毛片、 TP、 COD_ were 51.3%国内毛片、 65.2%在线高清无码不卡、 55.6%、 57.6%, respectively, and inhibition rate of algae reached 92.3%.

本論文以國家863重大科技專項——&蘇州市城市水環(huán)境質(zhì)量改善與綜合示范&項目為依托日韩三级AV网站，在前人研究的基礎(chǔ)上射女人综合网，根據(jù)蘇州古城區(qū)污染河道污染負(fù)荷重、透明度及溶解氧低的實際情況一级精品久久久久，通過靜態(tài)妞妞色吧综合、動態(tài)模擬試驗，研究了植物浮床技術(shù)對污染河水的凈化效果及規(guī)律一级a爱大片免费观看，同時在蘇州古城區(qū)內(nèi)的苗家河開展了植物浮床技術(shù)凈化污染河水的示范應(yīng)用99h久久久精品，得出了以下結(jié)論：(1)低溫條件下對水芹菜91超碰在线播放、多花黑麥草美女黄污视频在线播放、大蒜三種浮床植物篩選的試驗表明：水芹菜是低溫條件下浮床植物的優(yōu)勢種激情亚洲欧美另类录音，其對TN、NH_3-N婷婷五月情、TP黄色片在线视频、COD_的凈去除率分別為51.3%日韩精美乱伦一区、65.2%、55.6%、57.6%6080理论三级国产在线观看，對藻類的抑制率達(dá)92.3%。

Cistanche deserticola, a Orobanchaceae Cistanche perennial parasitic plant,has many specific medical values.It's host plant is Haloxlon which is an useful plant for stabilizing sand.

肉蓯蓉為列當(dāng)科肉蓯蓉屬的多年生專性根寄生植物狼友视频首页，寄主為固沙植物梭梭欧美激情专区在线。

Principal component analysis showed the first five PCs explained 70.4% variation in total germplasms, and seven traits, spikeletes per panical, filled grains per panical, spikeletes density, panicals per plant, plant height, 1000-grains weight and yield per plant, were important traits in explaining variation of these germplasm because of theirs high vector loadings.

主成分分析顯示，PC1-PC5能夠解釋總體70.4%的變異性爱毛片无码在线观看，而每穗總粒數(shù)亞洲三級片性愛、每穗實粒數(shù)、著粒密度国产亚洲精品777777、單株有效穗国产一级牲交大片、株高、千粒重亚洲日韩色图网站最新、單株產(chǎn)量等7個性狀因具有高的特征向量值操五十岁肥熟好多水，為分析太湖流域糯稻地方品種資源的重要性狀。

Cent individual plant is progenitive: Before May use Nie of bud of ministry of maternal plant root the hand to break, every 3 grow together to 5 bud, the attention waters, dew ground is cultivated every 3 can divide individual plant to 5 years.

分株繁殖：5月前將母株根部萌蘗用手掰下五月天激情综合网，每3到5個芽栽在一起啦啦啦免费观看www，注重澆水，露地栽植的每3到5年可分株一次人人操人人操人人操人人操人人操人人操。