Amberge, A. The role of root properties and organic matter on mobilization of soil P and rock phosphates / A. Amberge. -- 1.vyd.

In Humus its structure and role in agriculture and environment. -- Elsevier Science Publishers B.V. (1992), s. 47-55.

I. Humus its structure and role in agriculture and environment. -- Elsevier Science Publishers B.V. (1992), s. 47-55.
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