Citation: Ap. Everaarts et R. Booij, The effect of nitrogen application on nitrogen utilization by white cabbage (Brassica oleracea var. capitata) and on nitrogen in the soil at harvest, J HORT SCI, 75(6), 2000, pp. 705-712
Citation: R. Booij, Effects of nitrogen on yield components of brussels sprouts (Brassica oleracea L-var. gemmifera DC.), GARTENBAUWI, 65(1), 2000, pp. 30-34
Citation: Jj. Neeteson et al., A review on sustainable nitrogen management in intensive vegetable production systems, ACTA HORT, (506), 1999, pp. 17-26