Ársrit Ræktunarfélags Norðurlands


Ársrit Ræktunarfélags Norðurlands - 02.02.1969, Page 16

Ársrit Ræktunarfélags Norðurlands - 02.02.1969, Page 16
p% 0,4. 0,3. 0,2 0,1' 0,4 0,3 0,2 0.1 0,4 0£ 0,2 0,1 04' 0J 02- 0,1' 0,4 0,3 0,2 0.1- Yf ir breitt Tcett niáur u i_y aflO 54,4 kg/ha P flŒO 78,7 kg/ho P m A / / Li Lid 109,9 kg/ho P fl 131,1 kg/ha P r-Rl rTl / ' / / / / Uá UÁ Ud 1962 63 '64 '65 '66 Q 1. slóttur P% 0,4, 26,2 kg/ha P Q3. 02. 0,1. 0,4 0,3. a2 0,1- 0.4 0,3. 0,2- 0,1 04 0,3- 0,2. 0,1 • 0,4. 0,3- 0,2- 0,1 ■ JaŒO ULMU n / / / / / / 7] / / / 1962 '63 '64 '65 '66 0 2. slóttur Mynd 2. Fosfórmagn í þurrefni. Fosfóráburðurinn borinn á 1962 en ekki 1963—1966. Fig. 2. Phosphor content in dry matter. Phosphor applicated 1962 but no phosphorus application 1963—1966. 18

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Ársrit Ræktunarfélags Norðurlands

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