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- Karlen, D.L.; Flannery, R.L.; Sadler, E.J.
- Journal of plant nutrition 1987 v.10 no.9/16 pp. 1409
- Zea mays; high-yielding varieties; nutrient content; dry matter accumulation; nitrogen; phosphorus; potassium; crop management; New Jersey
- ... Various effects have significantly increased maize dry matter, grain yield, and nutrient accumulation when compared to benchmark data collected by Sayre in 1940 and Hanway in 1959. To evaluate the effects of changes in management practices on seasonal rates of accumulation, aerial dry matter and N, P and K accumulation data from the benchmark studies, 2 recent field studies and a 1985 maximum econ ...