na INLIS000000000002708 Ind 0010-1118002708 Use of bark, and of sod and cuttings from moorland vegetation in potting mixtures BOON, J. van der J. van der Boon; H.Niers Br.631.874BOOu Reprinted from : Acta Hortic. 172(1985):55-56 incl. bibl. p. 60 631.874 GREEN MANURES mfn-4390