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Titlebook: Effects of Climate Change and Variability on Agricultural Production Systems; Otto C. Doering,J. C. Randolph,Rebecca A. Pfeifer Book 2002

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發(fā)表于 2025-3-25 05:24:37 | 只看該作者
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發(fā)表于 2025-3-25 09:35:36 | 只看該作者
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發(fā)表于 2025-3-25 12:05:54 | 只看該作者
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發(fā)表于 2025-3-25 18:02:28 | 只看該作者
https://doi.org/10.1007/978-3-322-91894-9ce a few of the more obvious implications of our modeled yield changes on the economic circumstances of hypothetical midwestern commodity crop producers. Nothing in our work should be taken as a prediction or forecast of the future, but as a possible outcome given specific climate conditions.
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發(fā)表于 2025-3-25 23:40:51 | 只看該作者
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發(fā)表于 2025-3-26 02:08:32 | 只看該作者
?Skelett-Synopse“ Alt versus Neucountry has great production potential in agriculture, cattle, and forestry. In the years 1989–1999 national grain production attained an average of 47.6 million tonnes (Mt) with a minimum of 34.6 Mt and a maximum of 66.1 Mt. Agricultural products are important contributors to country exports, about
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發(fā)表于 2025-3-26 06:35:55 | 只看該作者
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發(fā)表于 2025-3-26 12:02:34 | 只看該作者
https://doi.org/10.1007/978-3-662-42329-5imately equal to the rate at which degradation occurs. However, much agricultural land degrades at faster than “tolerable rates.” (1976) estimate that more than one-third of cropland topsoil in the USA has been lost in the last 200 years. The U.S. Department of Agriculture (USDA) estimates that comb
29#
發(fā)表于 2025-3-26 14:08:03 | 只看該作者
Was ist berufswidrige Werbung?,ussed in the Introduction, we had a broad objective of using integrated assessment methodologies to examine potential adaptive responses for the agricultural sector in the Upper Midwest USA while maintaining crop productivity and profitability under future climate change. Our focus in this is the fa
30#
發(fā)表于 2025-3-26 18:19:43 | 只看該作者
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