Natural pest & disease control
Elwell, Henry
Natural pest & disease control Henry Elwell and Anita Maas - Zimbabwe The Natural Farming Network 1995 - 128 p. : ill. ; 25 cm.
0797414290
Pests--Control
Plant diseases
Natural pest & disease control Henry Elwell and Anita Maas - Zimbabwe The Natural Farming Network 1995 - 128 p. : ill. ; 25 cm.
0797414290
Pests--Control
Plant diseases
