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樟子松人工林土壤养分、微生物及酶活性的研究

Shuitu Baochi Xuebao, 2005
对章古台不同林龄樟子松人工林土壤养分、微生物及酶活性进行了测定和分析,结果表明:各林地的土壤养分、微生物和酶活性均表现出差异。与健康林相比,出现生长衰退林地土壤样品的养分指标、微生物和酶活性均有显著程度的降低,表明土壤地力已出现严重衰退。土壤微生物数量、酶活性与土壤养分间呈显著相关关系,可作为评价土壤肥力的指标。解决当前人工林退化的主要措施是因地制宜进行间伐或轮伐,改善林地微生态条件,尽量避免营造人工纯林,建议营造混交林。
杨涛 徐慧 李慧 方德华 朱教君
doaj  

[An investigation study on the technology and training level of ski patrol]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Bai P, Huai W, Yang Z, Zhou F, Guo X, Chen Z, Guan H, Bai J.   +7 more
europepmc   +1 more source

[Preface for Special Issue on Advanced Molecular Imprinting Technology and its Cutting-Edge Applications]. [PDF]

Se Pu
Jia Q, Yang KG.
europepmc   +1 more source

[Empowering narrative medicine with artificial intelligence: a new perspective in pediatric medical education]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Jin ZA, Dai RL.
europepmc   +1 more source

[Expert consensus on artificial intelligence-assisted monitoring and management of neonatal jaundice in primary medical institutions (2026)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology, Society of Pediatrics, Chinese Medical Association.   +2 more
europepmc   +1 more source

[Development and validation of an interpretable machine learning model for predicting reguirement of early invasive mechanical ventilation in patients with acute pancreatitis]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Wu X, Sha T, Hu H, Sun M, Wu J, Chen Z.
europepmc   +1 more source

[Expert consensus on airway lavage therapy for adult burn patients (2026 edition)]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Chinese Burn Association, Burn Medicine Branch of China International Exchange and Promotion Association for Medical and Healthcare.   +1 more
europepmc   +1 more source

[Advances in the Application of Artificial Intelligence in Clinical Microbiological Testing]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Li H, Song Z, Zhao Y, Li M.
europepmc   +1 more source

[To create the era of oral health management in China]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Luan Q.
europepmc   +1 more source

[Identification of high-risk preoperative blood indicators and baseline characteristics for multiple postoperative complications in rheumatoid arthritis patients undergoing total knee arthroplasty: a multi-machine learning feature contribution analysis]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhu K, Huang Z, Wang B, Li H, Wu Y, Shen B, Nie Y.   +6 more
europepmc   +1 more source