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当前位置: 首页 > 文章 > 施加有机肥下木质素对平邑甜茶根系活力及根际土壤微生态的影响 山东农业大学学报(自然科学版) 2018 (4) 561-565
Position: Home > Articles > Effects of Lignin on Root Activity of Malus hupehensis Rehd. and Microecology in Rhizosphere Soil under Organic Fertilizer Journal of Shandong Agricultural University(Natural Science Edition) 2018 (4) 561-565

施加有机肥下木质素对平邑甜茶根系活力及根际土壤微生态的影响

作  者：
吕婷雯;沈汝波;杨洪强;范伟国;张瑞雪;王利;徐颖;曹辉;宁留芳;周春然
关键词：
平邑甜茶;木质素;土壤酶活性;微生物数量;根系活力
摘  要：
本试验以1年生平邑甜茶为试验材料,通过盆栽试验及室内分析,探究在施用有机肥条件下,木质素对平邑甜茶根系活力、根际土壤酶活性及土壤微生物多样性的影响。结果表明:(1)不论在10%或40%有机肥条件下,两种浓度木质素均不同程度的提高平邑甜茶的根系活力,其中2.5 g·kg~(-1)处理提高最多。(2)10%有机肥下,木质素抑制了土壤脲酶活性,提高了土壤蔗糖酶活性,2.5 g·kg~(-1)处理表现最为显著,1.5 g·kg~(-1)处理显著提高了土壤纤维素酶活性;40%有机肥下,两种浓度木质素均提高了土壤纤维素酶活性,2.5 g·kg~(-1)处理显著提高了蔗糖酶活性。(3)木质素某种程度上增加了根际土壤微生物数量,有利于土壤微生物活性的提高。10%有机肥下,1.5 g·kg~(-1)处理显著提高土壤微生物细菌、真菌及放线菌数量;40%有机肥下,2.5 g·kg~(-1)处理提高微生物数量最为显著。木质素改善了土壤微生物多样性,改变了土壤酶活性,2.5 g·kg~(-1)处理显著提高了平邑甜茶根系活力。研究结果为根系土壤环境的调控提供了理论依据。
译  名：
Effects of Lignin on Root Activity of Malus hupehensis Rehd. and Microecology in Rhizosphere Soil under Organic Fertilizer
作  者：
LV Ting-wen;SHEN Ru-bo;YANG Hong-qiang;FAN Wei-guo;ZHANG Rui-xue;WANG Li;XU Ying;CAO Hui;NING Liu-fang;ZHOU Chun-ran;College of Forestry/Shandong Agricultural University;Fruit Station/Linqu County of Shandong Province;College of Horticulture Science and Engineering/Shandong Agricultural University;
单  位：
LV Ting-wen%SHEN Ru-bo%YANG Hong-qiang%FAN Wei-guo%ZHANG Rui-xue%WANG Li%XU Ying%CAO Hui%NING Liu-fang%ZHOU Chun-ran%College of Forestry/Shandong Agricultural University%Fruit Station/Linqu County of Shandong Province%College of Horticulture Science and Engineering/Shandong Agricultural University
关键词：
Malus hupehensis Rehd.;;lignin;;soil enzyme activity;;microbial amount;;root activity
摘  要：
In this experiment, the effects of lignin on root activity, rhizosphere soil enzyme activity and soil microbial diversity of Malus hupehensis Rehd. were investigated by pot experiment and laboratory analysis using one-year M.hupehensis. as experimental material under organic fertilizer. The results showed:(1) Under the condition of 10% or 40%organic fertilizer, both lignin concentrations could increase the root activity of M. hupehensis. to varying degrees, of which2.5 g·kg~(-1) treatment increased the most.(2) Under 10% organic fertilizer, lignin inhibited soil urease activity, increased soil sucrose enzyme activity, and 2.5 g·kg~(-1) treatment showed the most significant performance. 1.5 g·kg~(-1) treatment significantly improved soil cellulase activity. Under the condition of 40% organic fertilizer, both concentrations of lignin increased soil cellulose activities. 2.5 g·kg~(-1) treatment significantly increased the sucrose enzyme activity.(3) To some extent, lignin increased the number of microbes in rhizosphere soil, which was beneficial to the improvement of soil microbial activity.Under 10% organic fertilizer, 1.5 g·kg~(-1) treatment significantly increased the number of soil microbial bacteria, fungi and actinomycetes; under the condition of 40% organic fertilizer, 2.5 g·kg~(-1) treatment obviously enhanced soil microbes amount.Lignin improved soil microbial diversity and soil enzyme activity. 2.5 g·kg~(-1) treatment significantly improved the root activity of M. hupehensis. The results provided a theoretical basis for the regulation of root soil environment.

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