Agriculture Reference
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Fig. 6.2. Growth and mineral nutrient uptake by a bulb crop of onion cv. 'Southport
White Globe' growing in the Salinas Valley of California, USA. (a) Growth in whole
plant, fresh and dry weight (including roots, g), dry matter (%), height (cm) and leaf
number. (b) The uptake of major mineral nutrients by the crop.
, N;
, K;
, Ca;
, Na. (c) The concentration (%) of the major mineral nutrients in total
plant dry matter during crop growth (from Zink, 1966. Courtesy of Hilgardia ).
, P;
, Mg;
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