Results 131 to 140 of about 6,941 (192)
目的菌根作为连接植物与土壤的桥梁,在土壤碳(C)库收支平衡中扮演着关键角色。菌根通过吸收土壤中的矿物营养物质以交换植物光合作用固定的C,同时也通过呼吸作用造成土壤C损失。尽管人们对菌根在土壤碳输入、分解和固持方面的作用已有较深入了解,但关于菌根对土壤呼吸的影响仍相对有限。方法采用网络排除法和比较法综述菌根对土壤呼吸的影响及其调控因子。结果通过网格排除法,有学者成功分离并量化菌根呼吸,发现其平均占土壤呼吸的16.8%。具体而言,丛枝菌根呼吸和外生菌根呼吸对土壤呼吸的贡献分别为18.4%(2.5%~32.0%
郑翔 +7 more
doaj
通过对遂宁水土保持试验站内不同坡度(10°和15°)植物篱小区及对应对照小区为期7年的水土流失定位观测,探究了天然降雨条件下香根草植物篱和新银合欢植物篱在其生长年限增长过程中对紫色土坡耕地水土流失的影响。结果表明:(1)当植物篱开始发挥其水土保持作用时,减流率(年均)达10.5%~20.0%,减沙率(年均)达53.5%~54.5%,减流作用随年限增长波动较大,减沙作用逐渐趋稳)(2)10°香根草植物篱水土保持效果最优,其减流和减沙作用均在生长年限为1年时开始发挥,10°新银合欢植物篱次之 ...
李铁 +6 more
doaj
[Current status and future directions of stability reconstruction following spinal tumor resection]. [PDF]
Zhou J, Dong J.
europepmc +1 more source
["Chongqing experiences" in treatment of bone infections]. [PDF]
Xie Z.
europepmc +1 more source
[Diagnostic value of intestinal tissue metagenomic next-generation sequencing in severe diarrhea following haploidentical hematopoietic stem cell transplantation]. [PDF]
Lin QX +10 more
europepmc +1 more source
[Case of tooth autotransplantation with robotic surgery assistance]. [PDF]
Liu Y +6 more
europepmc +1 more source
[Toe-to-hand transplantation for thumb and finger reconstruction]. [PDF]
Zheng X.
europepmc +1 more source
[Initial exploration of the relationship between homeostatic occlusion and long-term dental implant stability]. [PDF]
Chen J, Wu L.
europepmc +1 more source

