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The soil was brown soil in type and light loam in texture.
供试土类为褐土,质地为轻壤.
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The dissolution properties of Pb ( NO 3 ) 2, PbO , and Pb 3 ( CO 3 ) 2 ( OH ) 2, were expressed as : brown soil & gt ; black soil & gt; meadow soil ( P & lt; 0.01 ).
Pb ( NO3 ) 2 、 PbO 和Pb3 ( CO3 ) 2 ( OH ) 2溶解性表现为棕壤 & gt; 黑土 & gt; 草甸土 ( P & lt; 0.01 ).
Applying humic acids could enhance the P utilization rate in red soil and brown soil.
同时表明腐殖酸可提高红壤和棕壤磷素的利用率.
棕壤???
棕钙土???
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