Results 101 to 110 of about 13,078 (148)

耕作模式对东北黑土地大豆土壤理化特性及根系生长发育的影响

open access: yesShuitu Baochi Xuebao
目的为研究不同耕作模式对松嫩平原黑土区大豆根系生长发育和根系分泌物分泌速率的影响,明确不同耕作模式通过改变土壤理化性质和根系性状影响作物产量的差异性传递过程。方法以东北黑土区大豆品种为试验材料,设置免耕秸秆覆盖(no-tillage straw mulch, NTS)、免耕(no-tillage, NT)、深耕(seep tillage, DT)和常规耕作(conventional tillage, CK)4种耕作模式,研究其对土壤理化性质、大豆根系型态及作物产量的影响。结果1 ...
杨宏泽   +5 more
doaj  

[Drug repositioning prediction based on dynamic feature learning on heterogeneous graphs]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Zhu H, Guo Y, Xin X, Li C, Zhou D.
europepmc   +1 more source

等高反坡台阶整地对不同耕作系统根土微生态的影响

open access: yesShuitu Baochi Xuebao
[目的] 为探究坡耕地等高反坡台阶整地对玉米连作和玉米—芸豆轮作系统根土微生态特征的影响。[方法] 以玉米—芸豆轮作为研究对象,玉米连作为对照,采用野外原位监测采样和室内试验分析相结合的方法,通过GC-MS和高通量测序技术分析作物根系分泌物和土壤微生物群落组成、结构特征,揭示坡耕地等高反坡台阶整地对玉米连作和玉米-芸豆轮作根系分泌物种类、含量和土壤微生物群落组成及多样性的影响。[结果] (1)根系分泌物相对含量变化在CRT措施上更为突出,在轮作模式中更为显著。(2) CRT2处理提高土壤微生物群落数量 ...
鲁连欣   +4 more
doaj  

[VEXAS syndrome mimicking relapsing polychondritis: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Dong Q, He J, Jia Y, Yao H, Zhang X.
europepmc   +1 more source

[Endoscopic characteristics of primary gastric lymphoma and prediction of treatment response]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Wei J   +8 more
europepmc   +1 more source

[Morphological characteristics and clinical significance of os subfibulare in patients with chronic ankle instability]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Duan X   +6 more
europepmc   +1 more source

[Research progress in clinical pathology and molecular mechanisms of pancreatic adenosquamous carcinoma]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Pan Z   +7 more
europepmc   +1 more source

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