Browse on keywords: crop rotation organic matter legume
Search results on 09/22/18
2995. Jacklin, A.W.. 1936. Crop rotations.. USDA-SCS Agronomy - Range Meetings, Pullman, WA #580.
Use legume grass mix in higher rainfall area, grasses in drier areas; rotations are typically 4-7 yr long; perennials can help check the weed problem; subsoiling effect of alfalfa, sweetclover reduces erosion and run-off; grass roots superior in soil aggregation.