Citation:

18 Peter E Hildebrand. 1976. Multiple cropping systems are dollars and “sense” agronomy. Pages 347-371. 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: productivity of multiple cropping systems, inputs, products, bio-economic relationships relevant to multiple cropping systems, factor-product, product-product, socioeconomic considerations

in design of multiple cropping systems, a Salvadorian multiple cropping system, multiple cropping system for grain production in a dry area, fertilizer allocation in multiple cropping systems, a model for development of multiple cropping systems, Guatemala, El Salvador