第二十三条禁止毁林开垦和毁林采石、采砂、采土以及其他毁林行为。
Article 23 It is forbidden to disafforest for purposes of reclaiming land, quarrying stone and digging sand or earth as well as other purposes.
又如汉书中提及采土筑山，则表明我国于西汉之时，以产生叠石之艺术。
Another example mentioned in han Shan mining earth building, then the time of the Western han Dynasty in China to produce Stones of art.
土样检测发现正常棉叶田所采土样中全氮、全钾含量比红叶田土样减少34.7%和13.9%。
Content of azote and kalium in the soil of normal field is 34.7% and 13.9% less than in red leaf field.
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