... 27 14 26 26 47 43 13 34 41 22 30 27 13 26 31 12 44 52 15 31 40 23 28 33 12 28 34 22 44 Source: M Viro, Büntehof Abs 4: 34 36, 19 74/ 75 TABLE 4. 6 Range of Sufficient K Concentrations in Upper Plant ... ammonia-elicited changes of cytosolic pH in root hair cells of rice and maize as monitored by 2(,7(-bis-(2-carboxyethyl )-5 (and 6-) -carboxyfluorescein-fluorescence ratio Plant Physiol 113 :45 1 46 1, 1997 B Demmig, ... sucrose/H-antiport Plant Physiol 78:871–875, 1985 51 M.D de la Gardia, M Benlloch Effects of potassium and giberellic acid on stem growth of whole sunflower plants Physiol Plant 49 :44 3 44 8, 1980...