Biochemical studies on humic substances extracted from organic fertilizers

Afifi, Mohamed Mahmoud Ibrahim.

Biochemical studies on humic substances extracted from organic fertilizers [computer file]/ دراسات بيولوجية وكيميائية على المواد الهيومية المستخلصة من الأسمدة العضوية. Mohamed Mahmoud Ibrahim Afifi. - 2010. - Computer laser optical disk; 4 3/4 in.

Thesis (Ph.D.) -- Cairo University, 2010.

Includes bibliographical references (leaves121-139) .


Systems requirements: Adobe Reader.


Summary in Arabic.


Organic fertilizers.
humic substances.
Humic acid.

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