يعرض 1 - 20 نتائج من 2,016 نتيجة بحث عن '(( significant ((shape decrease) OR (nn decrease)) ) OR ( significant variations decrease ))', وقت الاستعلام: 0.63s تنقيح النتائج
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    Variation in soil penetration resistance. حسب Xia Li (14984)

    منشور في 2025
    "…The experimental results show that, compared with the conventional airfoil-shaped subsoiler, the supersonic gas jet subsoiler achieves optimal performance at a tillage speed of 0.5 m/s and a tillage depth of 380 mm. …"
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    Global Land Use Change Impacts on Soil Nitrogen Availability and Environmental Losses حسب Jing Wang (6206297)

    منشور في 2025
    "…In contrast, reversing managed to natural ecosystems significantly increased NNM by 20% (9.7, 25.4%) and decreased NN by 89% (−125, −46%), indicating increasing N availability while decreasing potential N loss. …"
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