Young, Anthony. Agroforestry for soil conservation / Anthony Young. - Oxon, Eng. : CAB International, c1989. - vii, 276 p. : ill. - Science and practice of agroforestry ; 04 . ISBN: 085198648X LCCN: 91013081 Subjects--Topical Terms: Soil conservation.Soil fertility.Agroforestry