欢迎来到天天文库
浏览记录
ID:23525298
大小:2.57 MB
页数:68页
时间:2018-11-08
《五种南方阔叶树种人工林土壤肥力状况评价》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据hystrix>Acaciameianoxyion.Organiccarbon:Castanpsismeianoxyion>Castanopsisfissa>Mytilarialaosensis>Micheliamacclurei.N:Acaciameianoxyion>Mytilarialaosensis>Castanpsishystrix>Castanopsisfissa>Micheliamacclurei.P:Mytilarialaosensis>Castanopsisfissa>Acaciameianoxy
2、ion>Castanpsishystrix>Micheliamacclurei.K:Mytilarialaosensis>Castanopsisfissa>Micheliamacclurel>Castanpsismeianoxyion.C/N:Micheliamacclurei>Castanpsishystrix>Castanopsisfissa>Mytilarialaosensis>Acaciameianoxyion.Litterthickness,N,PandC/Nwereextremelysignificant.Mg
3、、Mn、Znoflitterwerehigherthansoil,butA1、Fewerefarlessthansoil.ThecontentofA1、Mnweresignificantlydifferent;Mgwasextremelysignificant;Fe,Znwerenotsignificantlydifferent.7.Thecorrelationshipbetweensoilphysicalandchemicalpropertiesandbiologicalactivitywascomplex,differ
4、entfactorshaddifferentaffectsonsoilfertility,soilphysicalpropertiesandsoilacidityweretheprimaryNcmrs,soilnutrientcontentwasanimportantfactor,andthequantityofmicroorganismsandenzymeactivityweresecondaryfactors.Soilfertilityofthe5plantations:Castanopsisfissa>Castanp
5、sishystrix>Mytilarialaosensis>Micheliamacclurez>Acaciameianoxyion.Keywords:broad—leavedtrees;microorganism;enzymeactivity;soilproperties;soilfertilityVIl万方数据目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11-,录⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
6、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯VIII第一章文献综述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l1.1南方优良阔叶树种概述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一1l-2南方优良阔叶树种发展前景⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯~11.3黑木相思等五种南方优良阔叶树种的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..11.3.1黑木相思研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯11.3.2米老排的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21.3.3红椎的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41.3.
7、4黧蒴的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51.3.5火力楠的研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51.4本试验的研究目的及意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯~6第二章材料与方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。82.1研究地概况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..82-2研究方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..82.2.1实验样地设置和样品采集⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.2.2土壤物理性质的测定⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
8、⋯⋯⋯⋯⋯⋯⋯⋯⋯92.2.3土壤微生物的测定⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92.2.4土壤营养元素的测定⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..102.2.5土壤酶活性的测定⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..102.2.6土壤酸度的测定⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..13
此文档下载收益归作者所有