Care of the soil is the most important part of gardening and the best way to prevent pests and diseases (although your plants may succumb to something, despite your best efforts).
With all plant residue removed, apply compost or aged manure in fall, plant a cover crop, and and practice rotatation and companion planting next year. Planting resistant varieties can also help.
For additional advice, see the response immediately below this one.
Care of the soil is the most important part of gardening and the best way to prevent pests and diseases (although your plants may succumb to something, despite your best efforts).
With all plant residue removed, apply compost or aged manure in fall, plant a cover crop, and and practice rotatation and companion planting next year. Planting resistant varieties can also help.
For additional advice, see the response immediately below this one.