The results show that the habitats is a distinct effect on the morphological factors and the biomass of Spartina alterniflora Among the three habitats, the individual number and biomass of the species in clay habitat are the highest.

該文以分布于廣西合浦山口紅樹林保護區(qū)的互花米草為研究對象，研究了不同的生境條件對其形態(tài)因子和生物量的影響妓女毛毛多免费视频。

Hydroponical experiment was carried out to study the effects of different nitrogen levels 5, 10, 15, 20mmolL^(-1 on biomass, nitrate and soluble sugar contents in different parts in spinach ("Spinacia oleracea").

通過水培試驗研究了不同氮素水平（5国产精品亚洲视频、10、15和20mmolL^(-1)）對4個菠菜品種生物量以及植株不同部位硝酸鹽一a一级级毛片免费看看、可溶性糖含量的影響免费黄污网站。

The results showed that soil microbial numbers and biomass in Leymus chinensis and Stipa grandis grassland were higher than those were in degenerative Artemisia frigida and sandy rare-tree grassland significantly.

典型草原不同生態(tài)分布類型的土壤微生物量大小有顯著不同，土壤微生物的數(shù)量與生物量的分布規(guī)律基本一致曰夲少妇精品A片在线，且與土壤有機質(zhì)的分布相關(guān)聯(lián)igao视频激情在线。

Objective: To study the effect of different single C-sources, N-sources and C/N ratio on the submerged-culture of Stropharia rugoso-annulata Methods: Single factor and orthogonal testing method were employed for this study.

目的：以菌絲生物量為指標(biāo)，探討不同碳氮源及碳氮比對大球蓋菇液體發(fā)酵的影響欧美亚洲小说动漫综合。方法：單因子試驗和正交試驗日本加勒比人人操人人爱人人操人人爱。

To compare the difference of drain and intake water then converse with biomass in sweetfish and walking catfish's grow-up pond. The ammonia-N, nitrate-N, nitrite-N and phosphate were 383.7, 208.99, 21.62 and 119.03 mg/kg in sweetfish's pond, respectively.

水中營養(yǎng)鹽部分香魚與胡鲇池?fù)Q算流水量與生物量后，香魚每增長1 kg97人人插人人操，它所產(chǎn)生之氨氮欧美性爱网络、硝酸氮、亞硝酸氮及正磷酸酸鹽的量分別為383.7影音先锋欧美在线色资源、208.99强暴乱轮视频、21.62和119.03 mg；胡鲇每增長1 kg則分別為68.76欧美激情在线观看A片大电影、5.72岛国AAAA级午夜在线影院、2.44及13.80 mg。

The total abundance of the phytoplankton ranged from 4.925×106 to 63.65×106 cells L-1and the total biomass from 1.632 to 20.420 mg L-1. Pseudanabaena sp. and Synedra ulna were dominant species in the community during January to March.

共檢測到浮游植物76種欧美AAAAAAAAAAAA；浮游植物總的細(xì)胞數(shù)量在4.925×106-63.65×106cells L-1之間免费一级无码婬片A片，浮游植物的總生物量在1.632-20.420 mg L-1之間。

3Started with the ecosystem structure and function, constructed the index system of grassland ecosystem health evaluation. And selected eight quantitative and two qualitative indices, including the production, community coverage, litter biomass, excellent forage proportion, forage crude protein, soil compaction, soil organic matter, soil microbial biomass nitrogen and dominance species and life form synusia composition, as the sensitive indices of typical steppe health evaluation.

3從生態(tài)系統(tǒng)結(jié)構(gòu)與功能入手日韩午夜在线观看网站免费下载，構(gòu)建出典型草原健康評價的指標(biāo)體系yinyuan国产精品，并進一步篩選出典型草原健康評價的敏感指標(biāo)包括草地產(chǎn)草量、群落蓋度欧美A黑人AⅤ精品视频、地表凋落物国产真实迷奸系列、優(yōu)良牧草比例、牧草粗蛋白国产呦系列久久精品、土壤緊實度99最新视频、土壤有機質(zhì)免费看操网站、土壤微生物量氮8項定量指標(biāo)以及優(yōu)勢物種組成和生活型層片構(gòu)成2項定性指標(biāo)作為典型草原健康評價指標(biāo)。

E. , Pinus koraiensis, Quercus mongolica and Tilia will appear as new species. Fire disturbance has effects on forest biomass and its species composition and structure.

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The effect of compound fertilize on the trampling resistance of Shanghai JD-1 Zoysia was tested through simulative tramper. The results showed that both aboveground phytomass and green grass rate were increased along with the application amount of compound fertilizer with or without the trampling stress.

通過踐踏器模擬踐踏免费不卡黄网站在线观看，研究氮、磷影视先锋资源av无码专区、鉀復(fù)合肥對踐踏脅迫下上海&JD-1結(jié)縷草&草坪耐踐踏性的影響欧美黄网站色视频免费人，結(jié)果表明：非踐踏區(qū)和踐踏區(qū)內(nèi)，結(jié)縷草Zoysia japonica的地上生物量和綠葉率隨著復(fù)合肥用量的增加而增加自拍日韩精品视频在线播放。

Seedlings of Trapa pseudoincisan, a typical floating-leaved macrophyte accumulated more biomass after exposing 30 days in high CO,, and the biomass advantage was due to dry weight increase in root, stem, leaf and petiole.

高co：濃度中生長30天的菱幼苗總生物量明顯增加国产免费黄片视频在线播放，這是根、莖欧洲美女色黄A片,视频、葉和葉柄干重均增加的結(jié)果操h网站。