1. Ammonium nutrition in Ricinus communis: its effect on plant growth and the chemical composition of the whole plant, xylem and phloem saps;Allen;J. Exp. Bot.,1986
2. Anderson, O.E., Perkins, H.F., Carter, R.L., Jones, J.B., 1971. Plant nutrient survey of selected plants and soil of Georgia. Research Report 102. College of Agricultural Experimental Station, University of Georgia, GA.
3. Biosynthesis of prunasin, the cyanogenic glucoside of peach;Ben-Yehoshua;Plant Physiol.,1964
4. Prevention of sucrose inversion during preparation of HPLC samples;Boersig;HortScience,1985
5. Compared effects of NO3− and NH4+ on growth and metabolism of French bean;Chaillou;Physiol. Veg.,1986