Changes in soil organic matter with cropping as measured by organic carbon fractions and ¹³C natural isotope abundance

Autor:	LEFROY, ROD D. B., BLAIR, GRAEME J., STRONG, WAYNE M.
Zdroj:	Plant and Soil, 1993 Oct 01. 155/156, 399-402.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/42939345 Zobrazit plný text záznamu Full text from SpringerLink