The objective of this paper is to summarize noteworthy MYR achievements in Canada and to review advances in the development of best management practices( BMPs) for sustainable and environmentally protective crop production.

• 本文就加拿大在高产研究中新取得的一些重要成果作一总结，并回顾一下在高产稳产与环境保护并重的农业生产中，最优管理技术（MP）进展。