Results 81 to 90 of about 9,823 (164)
Shuitu Baochi Xuebao, 2008 采用田间小区试验研究了不同的断根和施肥措施对I-107杨树人工林根际养分、微生物数量及酶活性的影响。结果表明:相同处理的杨树林地根际土壤pH均低于非根际土壤,而有机质、速效氮、速效磷、速效钾、有效铜和有效锌的含量均高于非根际土壤;与其它处理相比,断根施肥处理的根际土和非根际土壤速效养分含量最高,差异达显著水平;与对照相比,断根施肥处理显著提高了林地土壤的脲酶、转化酶、过氧化氢酶、多酚氧化酶和过氧化物酶活性,而施肥未断根处理少量增加了此5种土壤酶活性,断根未施肥处理则降低了土壤酶的活性 ...
FENG, LIU, XING, DU, DUAN, LIU, WANG
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Shuitu Baochi Xuebao, 2008 通过8年田间定位试验,研究了不同施肥制度下褐土及其微团聚体有机碳活性变化规律。结果表明,褐土微团聚体有机碳活性随粒级的减小而增强,不同施肥制度下土壤微团聚体组成变化各异,不施肥主要是由于10 ...
韩志卿 +6 more
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[Oral Health Status of Obese Children andIntervention Strategies]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanCheng R, Lei L, Zhang R, Cai H, Hu T.
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[Strategies for Weight Management in Children and Adolescents: Self-Regulated Nutrition, Family-School Collaboration, and Social Environment Optimization]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanWang X, Xu Y, Xiong J, Cheng G.
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[Establishment of outcome indicators for the implementation of comprehensive intervention for multimorbidity of myopia and obesity among children and adolescents based on the RE-AIM framework]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanZhang Y +8 more
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[Association Between Obesity and Dyslipidemia Among Adults in Three Counties (Cities) of Sichuan Province]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanJiang L, Chen Y, Xu X, Zhao L.
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[Research Advancements in Gastric Capacity Intervention for Childhood and Adolescent Obesity]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanZhou A, Yang F.
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[Progress on the application of system dynamics model in the field of health management]. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue BanWu Q, Zhou H, Zhao B, Shao J.
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