Nontreated8a(0 - 38)23a(0 - 67) Compost *4a(0 - 17)20a(2 - 48) % Fruit with Phytophthora % Fruit with Phytophthora Treatment 13 Oct 1 Nov Efficacy - 4 Years of Compost - Phytophthora * 40 wet tons/A (20 dry tons/A) applied June 2001, 2002, 2003, 2004.