Vesicular-arbuscular mycorrhizae of kiwifruit in an agricultural soil : inoculation of seedlings and hardwood cuttings with Glomus mosseae C. Calvet, J. Pera, V. Estaun and A. Camprub Agronomie, 9 2 (1989) 181-185 DOI: 10.1051/agro:19890208