The uptake of ammonium and nitrate by greenhouse roses. Abstracts of Contributed Papers. Cabrera, R.I. and R. Evans. Nitrogen-yield relationships in greenhouse roses. Devereaux, D.R. and R.I. Cabrera.
Nitrogen use efficiency by two woody ornamentals.
Cabrera, R.I., R.Y. Evans and J.L. Paul. Nitrogen uptake by roses is enhanced by intermittent N-deprivation. Evans, R.Y., R.I. Cabrera, and J.L. Paul. Dynamics of nitrogen partitioning in roses during a flowering cycle. Cabrera, R.I., R.Y. Evans and J.L. Paul.