Citation:

13 Paul W Unger, BA Stewart. 1976. Land preparation and seedling establishment practices in multiple cropping systems. Pages 255-273. In: RI Papendick, PA Sanchez, GB Tripplet (editors). Multiple Cropping. ASA Special Publication Number 27, American Society of Agronomy, 677 South Segoe Road, Madison, Wisconsin 53711, 378 pages. ISBN 0891180451

Keywords: requirements for germination and seedling establishment, advantages and disadvantages of zero tillage, oxygen, water, temperature, soil aeration, seed-soil contact, soil crusts, soil density, light, erosion and pests, experiences regarding land preparation in multiple cropping systems, humid, subhumid, and irrigated regions, semiarid regions