Working Lands Stewardship Act of 2001 - Amends specified agricultural Acts to: (1) revise and increase funding for the farmland protection program; (2) provide market development grants and technical assistance to farmers and ranchers who forgo development of certain lands; (3) expand State marketing programs, including set-asides for development of local and regional markets and research; (4) increase funding for farmer-to-consumer marketing assistance; (5) provide for a program to promote the purchase of locally grown produce; (6) increase funding for programs for socially disadvantaged farmers; (7) extend and increase funding for the environmental quality incentives program, including set-asides for livestock, pesticide reduction, and water conservation; (8) provide watershed quality incentive contracts; (9) provide loans for manure reuse activities and facilities; (10) extend and increase funding for the wildlife habitat incentives program, including set-asides for imperiled native species, and acquisition of easements and water rights; (11) extend and increase acreage for the wetlands reserve program; (12) establish a wetlands reserve enhancement program; (13) extend and increase funding for the conservation reserve program, including an acreage set-aside for environmentally-sensitive lands and buffer strips, and enrollment of grasslands and rangelands; (14) authorize incentive payments for private grazing land conservation; (15) establish a grassland reserve program; (16) expand the National Organic Program to include organic farming transition assistance; (17) establish an organic certification reimbursement program; (18) extend and increase funding for the forest stewardship program, including set-asides for new land management practices, and watershed forestry initiative activities; (19) authorize appropriations for urban and community forestry activities; (20) provide funding for specified conservation technical assistance and administration and outreach, including establishment of training centers in specified cities; and (21) establish a demonstration program to promote ecosystem- and watershed-based conservation.