1.
Varga C, Helmeczi B. Effect of Soil Covering on the Soil Enzyme Activity of Integrated Orchard. Acta agrar. Debr. [Internet]. 2004 Sep. 22 [cited 2021 May 17];(14):20-9. Available from: https://ojs.lib.unideb.hu/actaagrar/article/view/3363