心胸开阔
发表于 2025-3-30 11:02:18
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激怒
发表于 2025-3-30 14:41:45
NATO Science Series E:http://image.papertrans.cn/m/image/628416.jpg
Indecisive
发表于 2025-3-30 16:31:43
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大漩涡
发表于 2025-3-30 23:54:55
Unslaked Lime Versus Organic Soil Conditioners to Improve Soil Mechanical and Physical Properties oUnslaked lime (CaO) has been known for many years to improve soil mechanical properties, especially when applied on loamy soils. The interaction time, however, is quite long, sometimes several days, even weeks or months.
Ptsd429
发表于 2025-3-31 03:55:56
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buoyant
发表于 2025-3-31 08:58:26
978-94-010-7591-6Kluwer Academic Publishers 1989
EWE
发表于 2025-3-31 12:29:01
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专心
发表于 2025-3-31 15:16:07
Soil Cohesion Changes,s, there is generally an annual cycle of stability of these soils. Stability is least in the early spring when the frost leaves the ground and increases during the first frost-free period to a maximum in the late summer.
游行
发表于 2025-3-31 19:30:16
Root Activity Related to Shallow and Deep Compaction,in yield for both maize and soybeans was positively related to the percentage of total root growth in the surface 30 cm directly under the row. Subsoil compaction from wheel traffic with axle loads greater than 9 Mg decreased rooting depth and yield of maize. Interrow tillage to a depth of 51 cm did
高歌
发表于 2025-4-1 01:38:28
Tillage and Compactive Modifications of Gaseous Flow and Soil Aeration,ent; disease susceptibility is also increased..Strategic soil management systems, which integrate deep rooted legumes into the crop rotation and planting methods with minimum secondary tillage, provide alternatives that sustain efficient agricultural production. This approach ameliorates compacted s