cerebellum
发表于 2025-3-21 16:14:02
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SMART
发表于 2025-3-21 22:37:50
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mechanical
发表于 2025-3-22 01:26:11
authors consider the soil as a porous and finely divided medium of b- organomineral origin‚ whose physical structure and organisation foster the development of a multitude of specifically adapted organisms (microbial communities‚ roots of higher plants‚ macro-invertebrates).978-1-4020-0490-2978-0-306-48162-8
Harridan
发表于 2025-3-22 05:39:24
Tuyet L. Cosslett,Patrick D. Cosslettere. Soils take decades to millennia to form. We tread on them and do not usually see their interior, so we tend to take them for granted. But improper and abusive agricultural management, careless land- clearing and reclamation, man-induced erosion, salinisation and acidification, desertification,
缩减了
发表于 2025-3-22 10:03:31
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coagulation
发表于 2025-3-22 13:05:28
Tuyet L. Cosslett,Patrick D. Cosslettagriculture. On some estimates, up to half of irrigation systems are affected by salination. In contrast, heavy metal toxicity usually affects only small and localised areas such as the vicinity of mines. If saline soils have received the most attention in the book it is because of the interests of
Heart-Attack
发表于 2025-3-22 18:45:02
a ready partner in the ETH-Institute for Terrestrial Ecology. Soon it was realized that a discussion of the NABO would immediately raise general questions with respect to the conceptual basis of soil monitoring and that a minimum agreement on this basis was indispensable to discuss more specific problems rel978-3-0348-7544-8978-3-0348-7542-4
RADE
发表于 2025-3-22 22:05:21
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预定
发表于 2025-3-23 02:19:19
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个阿姨勾引你
发表于 2025-3-23 08:10:31
Tuyet L. Cosslett,Patrick D. Cosslettoil compaction . In Scandinavia, minimum tillage is used mainly for reducing erosion risk by maintaining an undisturbed soil surface during winter and early spring . In drier regions as in USA and the Canadian prairies, conservation tillage is widely used mainly to reverse or slow down soil de