谈判 发表于 2025-3-30 11:26:50

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无动于衷 发表于 2025-3-30 15:43:07

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crucial 发表于 2025-3-30 20:00:41

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Inflated 发表于 2025-3-31 00:47:14

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Cryptic 发表于 2025-3-31 04:00:45

Ultrastructure of Skeletal Tissuesor negatively to the level of fail-safeness that the no-tillage technique has offered over the years. After responding negatively in the 1970’s to the early 1990’s, a recent upswing in response in New Zealand has followed the release of a new design of no-tillage opener (Cross Slot.) that has attained a field fail-safeness rating of 99%.

诙谐 发表于 2025-3-31 05:11:23

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热烈的欢迎 发表于 2025-3-31 10:26:06

A. Henry Sathananthan,Alan Trounsonion of grain crops and sward for mulching and temporary grazing; and an annual sequence of grain crops on live forage cover. These systems cost-effectively produce high stable crop yields, function like natural ecosystems, and require that farmers be constantly innovative and flexible.

苍白 发表于 2025-3-31 16:29:20

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查看完整版本: Titlebook: Conservation Agriculture; Environment, Farmers Luis García-Torres (Professor),José Benites,Antoni Book 2003 Springer Science+Business Media