权宜之计 发表于 2025-3-23 10:48:10
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http://reply.papertrans.cn/63/6257/625608/625608_14.pngBoycott 发表于 2025-3-24 03:13:21
http://reply.papertrans.cn/63/6257/625608/625608_15.pngcompanion 发表于 2025-3-24 10:25:02
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Robert A. Nowlanental evidence that this effect increases plant production in most C. plants: hundreds of experiments with many species show that plant growth increases an average 30% to 40% for a doubling of the present normal ambient CO. concentration (Kimball, 1986). External environmental factors, such as tempe切掉 发表于 2025-3-24 15:25:03
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