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The Effect of N2O Emission Mitigation by Growing Soybeans Instead of Other Crops [PDF]

open access: yes, 2016
农业是重要的温室气体排放源之一,而在农业生产过程中施用氮肥是引起农业温室气体排放的主要原因。因此,如何合理有效的施用氮肥对减少农业温室气体排放、减缓全球气候变化至关重要。鉴于此,对通过合理施用氮肥从而减少温室气体排放的减排措施进行成本效益分析,将有助于我们找到具有经济效益的农业温室气体减排方法。目前,相关减排措施研究主要集中在农田测土配方施肥、改良施肥(缓释肥和长效肥)上。得益于与豆类作物共生的根瘤菌具有的固氮作用,豆类作物相比其他农作物施用更少的氮肥,从而排放更少的氧化亚氮(N2O)。因此 ...
许俊武
core  

Prevention and Control of Agricultural Non-Point Source Pollutions in UK and Suggestions to China [PDF]

open access: yes, 2016
Currently, the world is facing challenges of maintaining food production growth while improving agricultural ecological environmental quality. The prevention and control of agricultural non-point source pollution, a key component of these challenges, is ...
Bellarby, Jessica   +5 more
core  

木质素作为包膜材料包裹尿素的缓释效果研究

open access: yes, 2007
用盆栽实验的方法研究施用添加有脲酶抑制剂(nBPT)的木质素包裹尿素(nBPTLCU)对土壤的生化效应。与施用普通尿素相比,加有nBPTLCU的土壤尿素态氮和铵态氮含量较多,说明nBPTLCU可以减缓尿素的释放;在土壤深处的硝态氮含量和脲酶活性较低,说明硝化作用受到抑制;土壤微生物碳氮含量差异不显著,说明施用nBPTLCU对土壤微生物没有不良的影响。结果表明 ...
张小勇   +3 more
core   +1 more source

复合(混)肥料的缓释长效剂

open access: yes, 2004
这种复合(混)肥料的缓释长效剂由脲酶抑制剂氢醌(对苯二酚)和硝酸还原酶抑制剂双氰胺的混合物组成,同时在两种抑制剂中增添进载体,其混合重量比为1:(1-30),载体粒度为0.02-0.5mm,该长效剂适用于各种(专用)复合肥的供肥过程与作物的需肥规律相协调,可更好的满足作物全生育期的营养需求,达到增产、增收、节肥、省工的综合效果。同时,该长效剂与氮肥(包括尿素、碳铵、硫铵、硝铵等)混拌后 ...

core  

[Curcumin improves osteoporosis in type 2 diabetic mice by inhibiting RANBP3L expression]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Zou X, Zhang X, Li P, Tian R, Lu X.
europepmc   +1 more source

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