acheon
发表于 2025-3-28 15:35:16
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integral
发表于 2025-3-28 19:46:22
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信条
发表于 2025-3-29 02:06:13
Reclamation of Indurated, Volcanic-Ash Materials in Latin America, reserves may be equally serious, but it has not attracted the same degree of international interest. Per-capita food production has been declining in Latin America since 1970, partly because land is being taken out of production; the per-capita number of hectares of arable land in developing nation
agnostic
发表于 2025-3-29 03:58:00
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Devastate
发表于 2025-3-29 08:58:07
Creation and Restoration of Wetlands: Some Design Consideration for Ecological Engineering,ribed as the kidneys of the landscape for the biogeochemical and hydrologic roles that they provide (Mitsch and Gosselink, 1986). They prevent floods, cleanse waters, protect shorelines, and recharge groundwater aquifers. Just as important to some, wetlands provide haven for a wide variety of flora
Eulogy
发表于 2025-3-29 15:00:37
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种类
发表于 2025-3-29 15:49:00
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arbiter
发表于 2025-3-29 22:01:45
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Breach
发表于 2025-3-30 01:41:54
Research and Development Priorities for Soil Restoration,tal degradation. Agriculturally marginal and unsuitable lands, used for food crop production because of land hunger, are being further degraded even to the point of no return from irreversible degradation. For these regions where land resources are insufficient to substantially meet needs, even with
轨道
发表于 2025-3-30 05:45:03
Book 1992rop productivity even though fertilizers and other inputs often result in increased yields in the short term. Soil degradation also leads to environ mental pollution. A decrease in soil quality invariably leads to a decrease in water quality, and often in air quality. While there is a clear consens