George Thoms, "Zur Wertschätzung der Ackererden auf naturwissenschaftlich-statistischer Grundlage", 1888, "R. Ruetz & Co", Riga, 88 pages, appendixes on separate pages, 21.5 x 14 cm

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author:	George Thoms
title:	Zur Wertschätzung der Ackererden auf naturwissenschaftlich-statistischer Grundlage
language:	german
year of impression:	1888
publisher:	"R. Ruetz & Co"
City:	Riga
Number of pages:	88
description:	appendixes on separate pages
text block size:	21.5 x 14
additional information:	Это исторический научный труд, посвященный бонитировке (оценке качества) почв. Георг Томс (1843–1902) — известный ученый, профессор агрохимии и руководитель сельскохозяйственной опытной станции при Рижском политехникуме.