Íslenskar landbúnaðarrannsóknir - 01.09.1974, Page 47

Íslenskar landbúnaðarrannsóknir - 01.09.1974, Page 47
FÓÐURKÁL 45 TAFLA 6. Prótein, kalsíum og fosfór í þurrefni repju. Tilraun með sáðmagn repjufræs, gerð á Hvanneyri 1964 og 1965. TABLE 6. Protein, Ca and P in the DM content of Rapes. Experiment from Hvanneyri 1964 and 1965 with sowing rate of Rape seed. Sáðmagn og sáðaðferð Rlöð og stönglar hundraðshlutar af plöntunum Þurrefni % Prótein % Ca % P % Ca/P hlutfall Rate of seed and method of sowing Leaves and stems, percentage of plant material DIVI o/0 Protein % Ca o/0 p % Ca/P ratio Arið 1964. a. 3 kg/ha, raðsáð a. 3 kg/ha seed drill-sown blöð leaves 16% | 11,4 1,67 0,22 7,59 stönglar stemes 24% J 0,53 0,30 1,77 b. 3 kg/ha, dreifsáð 3 kg/ha, seed, broadcast blöð leaves 83% 1 I 11,0 1,26 0,24 5,25 stönglar stemes 17% J 0,51 0,29 1,76 c. 5 kg/ha, dreifsáð 5 kg/ha, seed, broadcast stönglar, stemes 21% 10,9 0,92 0,31 2,97 blöð leaves 79% J 0,50 0,32 1,56 d. 7 kg/ha, dreifsáð 7 kg/ha, seed, broadcast blöð leaves 78% 1 • H,2 1,23 0,26 4,73 stönglar, stemes 22% J 0,55 0,31 1,77 Árið 1965. a. 3 kg/ha, raðsáð 3 kg/ha, seed, drill-sown 10,8 18,4 1,07 0,26 4,12 b. 3 kg/ha, dreifsáð 3 kg/ha, seed, broadcast 10,0 17,0 1,06 0,28 3,79 c. 5 kg/ha, dreifsáð 5 kg/ha, seed, broadcast 10,0 17,6 1,06 0,27 3,93 d. 7 kg/ha, dreifsáð 7 kg/ha, seed, broadcast 10,1 18,4 0,98 0,30 3,27

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