Table 11 Number of holdings wich have supplied artificial fertilisers to cultivated meadow. Municipalities in county of Aust-Agder. 1989 and 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.