asked the Minister for Agriculture the annual usage of phosphorus, potassium and nitrogen fertilisers in each of the years from 1977 to 1982, inclusive; and the annual average unit cost.
Written Answers. - Fertiliser Usage.
594.
As fertiliser statistics are compiled for the year July/June, figures for 1981-82 are not yet available. The information for the earlier years is as follows:
|
Fertiliser Year |
Nitrogen |
Phosphorus |
Potassium |
|||
|
(July-June) |
Usage in terms of plant |
Average price per Unit of N |
Usage in terms of plant |
Average price per Unit of P |
Usage in terms of plant |
Average price per Unit of K |
|
nutrient N |
£ |
nutrient P |
£ |
nutrient K |
£ |
|
|
'000 tonnes |
'000 tonnes |
'000 tonnes |
||||
|
1977-78 |
230 |
2.79 |
76 |
6.49 |
170 |
1.48 |
|
1978-79 |
264 |
3.03 |
80 |
7.02 |
184 |
1.56 |
|
1979-80 |
248 |
3.48 |
68 |
8.80 |
157 |
1.72 |
|
1980-81 |
275 |
3.75 |
63 |
10.93 |
150 |
1.99 |