Obsequious
发表于 2025-3-23 12:48:32
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负担
发表于 2025-3-23 15:49:13
https://doi.org/10.1007/978-3-642-76382-3ood and Agriculture Organization (FAO) of the United Nations (1988), the Soil Survey Staff (1987) of the United States Department of Agriculture (USDA) Soil Conservation Service (SCS), several institutions in France and French-speaking African countries, and EMBRAPA (Empresa Brasileira de Pesquisa A
大方不好
发表于 2025-3-23 19:19:25
Advances in Soil Science978-1-4613-8847-0Series ISSN 0176-9340
EXALT
发表于 2025-3-23 23:53:04
Advances in Soil Sciencehttp://image.papertrans.cn/a/image/149778.jpg
inferno
发表于 2025-3-24 05:14:14
0176-9340 n and desertification. Desertifica tion is largely synonymous with land degradation but in an arid land context. Deterioration of soil resources is largely hum978-1-4613-8849-4978-1-4613-8847-0Series ISSN 0176-9340
septicemia
发表于 2025-3-24 09:39:53
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不能妥协
发表于 2025-3-24 13:46:01
Carbon Sources for Bacterial Denitrification,nd its complexity has probably inhibited studies. A readily available C substrate is often added to denitrifying systems in the laboratory to ensure an electron supply when other variables are studied.
trigger
发表于 2025-3-24 18:10:43
0176-9340 tion and by wind and water transport of soil materials, later deposited in deltas and loessial planes. Soil undergoes further transformations over time and provides a habitat for biological life and a base for the development of civilizations. Soil is dynamic -always changing as a result of the forc
Nomadic
发表于 2025-3-24 22:44:45
https://doi.org/10.1007/978-3-642-76382-3er cultivation. The adoption of modern varieties, increased irrigation facilities, and more fertilizer use have been credited for the yield increases. An estimated 24% of the increase in Asian rice production from 1965 to 1980 was attributed to use of fertilizer, mainly N (Barker .., 1985).
Entrancing
发表于 2025-3-25 01:39:05
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