- 更多网络例句与细根相关的网络例句 [注:此内容来源于网络,仅供参考]
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Contrasting with control treatment, the fit of the Exponential distribution in characterizing fine root longevity was elevated under N amendment treatment, at the same time, the distributions of Welibull, Lognormal, and Normal were still better in character. All above indicated that N fertilization treatment maybe only alter the absolute value of longevity frequency, but the ratio between longevity frequencies was the same as before. So the model of longevity was unalterable.(5) Regardless analyzed with whichever categories i.e.
对各生长季细根寿命的统计分布拟合检验的结果与对照相似,施肥仅仅提高了总体分布对细根寿命的拟合优度,但威布尔、正态以及对数正态分布仍然拟合最好,这说明施肥可能仅改变了不同细根寿命频数的绝对值,但各寿命频数间相对比例并未发生明显变化,寿命理论分布的类型保持不变。
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In the broad-leaved Korean pine climax forest, the fine root climax production of the community occurs in July and October, but the dominant arboreal species, understory arboreal species and fine roots of grass have a different production dynamics. It is important to sort the fine root species because accurate fine root production sources have a different fine root dynamics.
在原始阔叶红松林中,群落细根的生长高峰发生在7月和10月,但其中主要树种、其他木本和草本的细根有着不同的生长动态,所以在计算细根生产量时应该分类计算,才会得出较为准确的结果。
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The study is carried out that the comparison of fine root production, decomposition and distribution along with Korean pine and broad-leaved climax forest succession; the fine root contribution to the belowground C and N storage along with Korean pine and broad-leaved climax forest succession; and the comparison of belowground C and N storage among the Korean pine and broad-leaved climax forest, three dark-conifer forests, a betula ermanii forest along altitude.
研究内容包括:原始阔叶红松林及其不同演替阶段的次生林中细根的生长和周转、分解与分布的特征,阐明在不同演替阶段细根的变化;原始阔叶红松林及其不同演替阶段的次生林中细根对根系、土壤和林地地下的碳、氮贮量的影响,分析在不同演替阶段细根周转对地下碳、氮贮量的贡献;以及对不同垂直海拔高度分布的不同类型的原始森林中细根和根系生物量的变化,及细根对根系、土壤和林地地下碳、氮贮量的贡献进行了研究。
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7Gm〓 in the 20 yr forest, 1139. 8gm〓 in the 80 yr forest and 912. 4 gm〓 in the climax forest, respectively. However, along with forest succession, the dominant tree species fine root annual production increases, whereas other arboreal and grass fine root annual production decreases.
白桦山杨幼林、白桦山杨成熟林与原始阔叶红松林中,细根年生长量分别为712.7gm〓、1139.8gm〓和912.4gm〓;但是,随着演替的进行,林地主要树种细根的年生产量会逐渐增加,其它木本和草本细根的年生产量则逐渐降低。
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Soil corer was used to investigate the distribution of fine root and a traditional method of nylon litter bag to measure the decomposition in pure Cunninghamia lanceolata and Michelia macclurei var Sublanea ,and the mixed plantations.
用土钻法研究了杉木、火力楠纯林和混交林的细根分布,用分解袋法研究了杉木和火力楠细根的分解,计算了3个林分中细根分解的N,P,K,Ca,Mg的归还量。
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All these studies put scientific basic for rational management for sustainable coastal protection forest of Casuarina equisetifolia, and meet the demand of the construction of coastal prevent system project.
虽然国外大量的研究表明,细根在森林生态系统的物质循环和能量流动中发挥着巨大的作用,但我国对林木细根的研究还是停留在国外20世纪70年代末、80年代初的水平上,对细根在森林生态系统中的主要作用认识不足。
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The results showed that elevated CO2 increased the R/S ratio and the dry mass of both coarse and fine roots, indicating that the seedlings under elevated CO2 allocated more biomass to their belowground part. Compared with control, elevated CO2 increased the contents of reducing sugar, sucrose, and total soluble sugar in coarse roots significantly, but had less effect on those in fine roots. Elevated CO2 increased the contents of starch and total non-structural carbohydrate both in coarse roots and in fine roots. Under elevated CO2, the carbon content in coarse and fine roots had an unsignificant increasing trend, while the nitrogen content decreased significantly, which resulted in an increase of C/N ratio.
结果表明:CO2浓度升高使红桦幼苗粗根和细根的干质量增加,同时根/冠值显著升高,表明CO2浓度升高使红桦幼苗生物量向根系的分配增加;与对照相比,粗根的还原糖、蔗糖和总可溶性糖含量显著增加,而在细根中没有显著变化;粗根、细根的淀粉和总的非结构性碳水化合物含量显著增加;CO2浓度升高下粗根和细根的碳含量有升高的趋势但未达到显著水平,同时氮含量降低,碳/氮值升高;氮的吸收量在粗根和细根中均无显著变化。
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The results showed that elevated CO2 increased the R/S ratio and the dry mass of both coarse and fine roots, indicating that the seedlings under elevated CO2 allocated more biomass to their below- ground part. Compared with control, elevated CO2 increased the contents of reducing sugar, sucrose, and total soluble sugar in coarse roots significantly, but had less effect on those in fine roots. Elevated CO2 increased the contents of starch and total non-structural carbohydrate both in coarse roots and in fine roots. Under elevated CO2, the carbon content in coarse and fine roots had an unsignificant increasing trend, while the nitrogen content decreased signifi- cantly, which resulted in an increase of C/N ratio.
结果表明:CO2浓度升高使红桦幼苗粗根和细根的干质量增加,同时根/冠值显著升高,表明CO2浓度升高使红桦幼苗生物量向根系的分配增加;与对照相比,粗根的还原糖、蔗糖和总可溶性糖含量显著增加,而在细根中没有显著变化;粗根、细根的淀粉和总的非结构性碳水化合物含量显著增加;CO2浓度升高下粗根和细根的碳含量有升高的趋势但未达到显著水平,同时氮含量降低,碳/氮值升高;氮的吸收量在粗根和细根中均无显著变化。
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This trend was obvious for 5-year-old plantation. The biomasses of living and dead fine roots at 0~10cm accounted for 51.9% and 53.3% of the totals, respectively. The 84.6% of living and 82.8% of dead fine roots concentrated at the depth of 0~30cm.
在0~10cm土层中的活、死细根生物量分别占全部活细根生物量的51.9%和死细根生物量的53.3%,活细根生物量的84.6%和死细根生物量的82.8%分布在0~30cm的土层中。
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The other component had a wide distribution range and smaller kurtosis. Root longevity, analyzed by growing-season cohort, was characterized by each of the four theoretical probability distributions: Normal, Welibull, Lognormal, and Exponential.
第一组分的分布峰度较高,寿命较小,且细根均在一个生长季死亡,是细根的主要组成部分;第二个组分的峰度较低,分布平缓,寿命分布范围较大,且细根在两个生长季死亡。
- 更多网络解释与细根相关的网络解释 [注:此内容来源于网络,仅供参考]
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rootless vent:无根火山口
"根牙;根齿","rooted tooth" | "无根火山口","rootless vent" | "细根层","rootlet bed"
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rootlet:细根
rooting ability 发根力 | rootlet 细根 | rosaceous plant 蔷薇科植物
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rootlet bed:细根层
细岗闪长岩 haplodiorite | 细根层 rootlet bed | 细谷 gluch
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radicula:根端部
radicula 细根 | radicula 根端部 | radicula 根端部
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radicula:胚根
radicle 根状部 | radicula 胚根 | radicula 细根
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radicula:细根
radicula 胚根 | radicula 细根 | radicula 根端部
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radicula:根端部 胚根 细根
radicofunctionalname 根基官能名称 | radicula 根端部 胚根 细根 | radiculalgia 神经根痛
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radicular symptom:神经细根症状
radicular cyst 根端囊肿 | radicular symptom 神经细根症状 | radicular syndrome 根综合征
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radicular syndrome:根综合征
radicular symptom 神经细根症状 | radicular syndrome 根综合征 | radiculitis 脊神经根炎
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radiculose:有很多细根的
radiculitis 脊神经根炎 | radiculose 有很多细根的 | radiesthesia 感应力