您要查找的是不是:
- Rhizosphere soil ecosystem 根际生态系统
- 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。
- The springtails are widespread small to tiny arthropods in soil ecosystem. 摘要跳虫是土壤生态系统中分布极广的一类小型至微型节肢动物。
- The abundance and availability of water and nutrients in a soil ecosystem determine its fertility. 土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
- 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。
- Soil enzyme and microbe play key roles in the cycle of mass and energy fluxes of soil ecosystem. 摘要土壤酶和微生物在土壤生态系统的物质循环和能量流动方面都扮演着十分重要的角色。
- 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。
- The abundance and availability of water and nutrients in a soil ecosystem determine its fertility . 土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
- 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 ;
- Degradation dynamics of carbendazim in soil and its effects on community diversity of soil microorganisms were investigated in a microcosm mimicking soil ecosystem. 采用实验室模拟方法研究了多菌灵在土壤生态系统中的降解动态及其对土壤微生物群落多样性的影响。
- 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.
- This article expounds the effects of pollution of heavy metals on soil organisms and soil enzyme activities,discovers the harm of pollution of heavy metals on soil ecosystem. 本文通过阐述重金属污染对土壤生物及土壤酶活性的影响,揭示了重金属污染对土壤生态系统的危害。
- 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。
- The interrelations between acid rain and soil ecosystem are analysed.Acid rain could change soil acidity, enhance soil toxicity, reduce soil active,destroy soil structure. 酸雨能改变土壤生态系统中土壤酸碱性,增加土壤毒害,降低土壤活性,破坏土壤结构,同时土壤生态系统影响酸雨的形成和污染。
- 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。