Your quoted values of 17: soil productivity losses after burning, during a 17-year period in northern Oregon, could alone at least impact ... It seems ironic that chemical versus manual alternatives cost differences of a few dollars per acre are highlighted when soil productivity Is worthy of much more concern. .... Similar clauses In manual cutting contracts keep careless contractors out of the bidding market.
|Title||:||Western Oregon program-management of competing vegetation|
|Author||:||United States. Bureau of Land Management. Oregon State Office|