Fjölrit RALA - 01.07.1976, Page 22

Fjölrit RALA - 01.07.1976, Page 22
-18- Tafla 2.7. Upptaka (kg/ha) og nýting (%af áburði) áburÖarefna á St. II og St. III á Landeyjasandi 1974. Ab.liður '74-'75 N P K Ca Uppt. Á boric )%nýt. Uppt. Áb , • %nýt Uppt. Áb, %nýt Uppt. I Áb. %nýt. St. II: M 1 23,93 342 7 5,00 80 6 52,6 185 28 4,47 40 11 M 2 28,18 586 4,8 8,09 80 10 64,2 460 14 4.19 10P 4 Sk 1 35,48 326 11 3,62 80 5 40,68 100 41 3,62 315 1 Sk 2 11,19 550 2 0,92 80 1 11,33 122 9 1,13 729 0,2 Tilb. 1 13,10 92 14 1,67 40 4 17,8 0 - 1,67 15 11 Tilb. 2 41,89 184 23 4,88 80 6 51,4 100 51 4,63 31 15 0 5,21 0 0,40 0 - 6,23 0 - 0,71 0 - St. III: M 1 15,77 342 4,6 1,90 80 2 27 ,7 185 15 1,90 40 5 Sk 1 24,36 326 7,5 2,03 80 3 21,8 100 22 2,32 315 0,7 Tilb. 2 31,86 184 17 2,51 80 3 28,6 100 29 2,51 31 8 Torf 19,78 184+ 11 3,44 80+ 4 38,7 100+ 39 3,44 31 11 Tafla 2.8. Upptaka (kg/ha) og. nýting (% af áburði) áburöarefna á St. III 1975. Áb.liðir N P K Ca Uppt. Áb. . Nýt Uppt. Áb. %nýt. Uppt. Áb. • %nýt. Uppt. Áb.- %nýt. '74-'75 M 1-0 1,41 0 0,27 0 1,64 0 0,37 0 Sk 1-0 1,39 0 0,23 0 1,22 0 0,37 0 Tilb.2-0 1,83 0 0,31 0 1,41 0 0,42 0 Torf-0 1,43 0 0,25 0 1,55 0 0,37 0 Meðaltal 1,52 0 0,27 M 1-1 7,59 90 8 2,24- 40 6 17,4 0 _ 3,36 15 22 Sk 1-1 12,52 90 14 1,82 40 5 12,4 0 - 2,96 15 20 Tilb. 2-1 15,55 90 17 2,35 40 6 16 ,0 0 - 2,84 15 19 Torf -1 14,92 90 17 2,36 40 6 14,9 0 - 3,36 15 22 Meðaltai 12,65 90 14,1 2,19 40 5,5 M 1-2 26,31 180 15 4,72 80 6 45,0 100 45 5,62 31 18 Sk 1-2 17,42 180 10 5,47 80 7 44,8 100 45 7,46 31 24 Tilb.2-2 35,72 180 20 4,31 80 5 37,0 100 37 4,93 31 16 Torf-2 43,13 180 24 6,05 80 8 47,3 100 47 7,36 31 24 Meðalt al 33,86 180 18,8 5,14 6,4 1 •

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