Fig. 6. Protease activity (mg of tyrosine g soil-1 h-1) in detritus and two soil depths at the May and August 1996 sampling times in P-impacted, transitional, and unimpacted areas. Error bars represent standard error
Fig. 6. Protease activity (mg of tyrosine g soil-1 h-1) in detritus and two soil depths at the May and August 1996 sampling times in P-impacted, transitional, and unimpacted areas. Error bars represent standard error