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Results showed that the root and rhizospheric soil extracts of alfalfa inhibited germination of Metaplexis japonica T.and Lactuca indica L. 结果表明:苜蓿根浸提液和根际土浸提液能够显著抑制萝摩和山莴苣的萌发;
rhizosphere soil extraction 根际土壤
In the rhizosphere soil of Hevea brasiliensis. 橡胶叶浸提液对马唐的根生长有较强的抑制作用。
There were a lot of diverse genera of phosphobacteria in rhizosphere soil,bu t a few in nonrhizosphere soil. 根际土壤解磷细菌种类较多，而非根际土壤解磷细菌种类较少。
The relationship of K depletion in rhizosphere soil of wheat and H+ excretion from the roots was als o discussed. 小麦根际钾的变化与根系分泌H+能力有一定的关系。
Hence,DCD and DCD plus HQ could,to some extent,eliminate the potential for urea-derived N loss in rice root rhizosphere soil. 因此 ,DCD及其与 HQ组合可减少水稻根际环境下尿素 N损失潜势。
All tested REMI mutants showed significant effects on the number of fungi in rhizosphere soil of melon, but did not on bacteria and actinomyces. 供试木霉菌变异株对甜瓜根际土壤真菌有抑制作用，对细菌和放线菌群体数量无显著影响；
Results indicated that rhizosphere soil is markedly more favorable to bacteria and for enzyme activity than non rhizosphere soil. 研究结果表明 :根际土壤中的细菌数量明显大于非根际土壤 ,根际土壤酶的活性高于非根际土壤 ;
Before the wheat jointing stage,the concentration of DOM in rhizosphere soil was consistent with that in the bulk soil,and increased drastically after that period. 在小麦拔节期之前;各处理根际DOM含量的动态变化趋势和与之对应的非根际DOM变化趋势基本一致;没有显著差异.
The spore abundance of the same species of VA mycorrhizal fungus was significantly different in the rhizosphere soil of different hosts which were grown in the same habitat. 同种VA菌根真菌在不同宿主植物根际土壤中，孢子的丰富度有很大的差异。
By treating new forest soil with extracts from ginseng rhizosphere soil, allelopathy of the ginseng soil and its effect on seed development were studied. 摘要试验以人参根际土壤提取物处理新森林土，研究了根际化感作用及其对种子萌发的影响。
We concluded that nitrification and AOB abundance in root surface and rhizosphere soil at filling and harvesting stages were important to a high rice yield and high NUE. 因此水稻灌浆期和收获期根表和根际硝化作用以及AOB与水稻高产及氮素高效利用密切相关。
There was no significant difference of AOB abundance between root surface soil and rhizosphere soil, but they were all significantly higher than those in the bulk soil. 根表和根际土壤AOB数量无显著差异，但二者显著高于土体土壤AOB数量。
The depletion of potassium in the rhizosphere soil of fou r wheat varieties with different potassium nutrition efficiency was studied in soil culture with 3-compartment-pot. 用三室土培技术,研究了钾营养效率不同的4个小麦品种根际速效钾、缓效钾的动态变化与钾效率的关系。
Diversity index of the native AM fungi in the rhizosphere soil of P. notatum plants was slightly higher than those of S. gracilis and A. conyzoides plants. 藿香蓟根际土著AM真菌群落的多样性指数略高于柱花草和百喜草；
Effects of yeast extract, glucose, peptone, soil extract and metal ions Ca 2+ , Mg 2+ , Fe 2+ , Fe 3+ , Al 3+ , Mn 2+ , Co 2+ , Zn 2+ , Li +, Cu +, Cu 2+ , Ba 2+ , Ni 2+ on degradation of p nitrophenol(PNP)by DLL E4 (Pseudomonas putida) were studied. 研究了酵母膏、葡萄糖、蛋白胨、土壤浸液及Ca2 +、Mg2 +、Fe2 +、Fe3 +、Al3 +、Mn2 +、Co2 +、Zn2 +、Li+、Cu+、Cu2 +、Ba2 +、Ni2 +等 13种金属离子对甲基对硫磷降解菌DLL E4降解对硝基苯酚的影响。
However, the extractable Mn, Cu, and Zn in the rhizosphere soils showed poor correlations with LMWOAs. 但在根圈土壤中可萃取出的锰、铜及锌的含量与低分子量有机酸之含量的相关性不佳。
The amount of bacterium and fungus in oil-seed rape rhizosphere is 3.18 times and 1.84 times as much as these in unvegetated soil,respectively. However,there is no substantial difference of actinomyces between in rhizosphere soil and in unvegetated soil. 油菜苗根际土细菌、真菌数量分别是非根际土的3.;18倍、1
Combining with those conclusions,it can be inferred that the threshold of actived Al toxicity in the rhizosphere soil on buckwheat was between 0.106~0.143 mg/g,while that on gold buckwheat was between 0.046 ~ 0.057 mg/g. 因此;我们推断在根际土壤活性铝溶出量为0.;106~0
Article 23 Land reclamation at the expense of deforestation,rock quarrying,sand quarrying,soil extracting and other activities at the expense of deforestation shall be forbidden. 第二十三条禁止毁林开垦和毁林采石、采砂、采土以及其他毁林行为。