Soil fertility in three cropping systems after conversion from conventional to organic farming.

Autor: Bakken, Anne Kjersti, Breland, Tor Arvid, Haraldsen, TrondK., Aamlid, TrygveS., Sveistrup, ToreE.

Publikováno v: Acta Agriculturae Scandinavica: Section B, Soil & Plant Science; 2006, Vol. 56 Issue 2, p81-90, 10p, 7 Charts