During 2005 double-season rice system,methane emission flux of 16 early varieties and 20 late rice varieties were measured and the quantitative characteristics of rice plants tissues were determined.
通过观测南方红黄壤稻田不同水稻品种甲烷排放通量,测定了16个早稻、20个晚稻品种的植株节间组织的数量特征。
参考来源 - 基于主成分分析水稻植株CHThe 24 h gas production (GP) and methane emission were decreased by type, level and their interaction (P<0.001).
结果显示,十八碳脂肪酸的类型、添加水平及其互作对24h产气量和甲烷产量有显著影响(P<0.001)。
参考来源 - 植物油及十八碳不饱和脂肪酸对瘤胃甲烷生成和微生态的影响The decrease of draining ditches area may also cause methane emission rates decreasing in the plantations.
排水沟相对面积减少也会导致人工林甲烷排放速率降低。
参考来源 - 小兴安岭沼泽甲烷排放及其对人为干扰的响应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In addition, wetland soils are known for methane emission, a greenhouse gas.
此外，湿地散发沼气这种温室气体，是人所共知的。
Waste (methane emission) management and construction of energy efficient housing;
废料（甲烷排放）管理和节能房屋的建设；
Different cropping systems also resulted in seasonal variations of methane emission.
耕作制也影响稻田甲烷排放的季节变化规律。
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