اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Johnson, Samuel W. (Samuel William), 1830-1909
LoC No.: 06018169
Title: Peat and its Uses as Fertilizer and Fuel
Language: English
LoC Class: SB: Agriculture: Plant culture
LoC Class: TN: Technology: Mining engineering, Metallurgy
Subject: Peat
Subject: Fuel
Subject: Fertilizers
Release Date: Jul 28, 2008
Copyright Status: Public domain in the USA.
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