Census of agriculture, 1999

11   Number of holdings wich have supplied artificial fertilisers to cultivated meadow. Municipalities in county of Aust-Agder. 1989 and 1999
  Holdings by supplied amount of nitrogen Holdings by supplied amount of phosphorous
  Total 1-7 kg N/daa 8-9 kg N/daa 10-14 kg N/daa 15-19 kg N/daa 20 kg N/daa or more Total 0,1-0,9 kg P/daa 1,0-1,4 kg P/daa 1,5-1,9 kg P/daa 2,0-2,4 kg P/daa 2,5 kg P/daa or more
1989 1 418 573 231 410 130 74 1 396 1.. 277 1.. 513 606
1999 989 289 186 327 129 58 973 177 382 180 124 110
                         
0901 Risør 35 : : 15 : 4 35 7 11 8 4 5
0904 Grimstad 104 16 9 41 24 14 104 16 28 21 22 17
0906 Arendal 158 52 32 42 20 12 158 44 65 21 16 12
0911 Gjerstad 53 17 15 15 6 - 53 12 19 : 10 :
0912 Vegårshei 35 15 8 9 - 3 34 4 21 : : :
0914 Tvedestrand 41 10 9 15 : : 41 8 15 8 5 5
0919 Froland 81 19 27 20 11 4 80 10 34 18 13 5
0926 Lillesand 49 14 3 15 13 4 48 8 20 8 8 4
0928 Birkenes 89 29 16 26 14 4 88 16 30 17 8 17
0929 Åmli 63 17 12 23 6 5 63 5 28 14 4 12
0935 Iveland 26 7 5 6 5 3 24 4 6 3 4 7
0937 Evje og Hornnes 83 29 12 33 : : 82 13 32 21 11 5
0938 Bygland 74 25 18 21 : : 73 16 31 13 6 7
0940 Valle 83 26 13 38 : : 76 11 36 14 8 7
0941 Bykle 15 : : 8 : - 14 3 6 : : :
1  I 1989 the question about Phosphorous were asked as kilograms without decimal.

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