Groundwater Pollution by Nitrogen Compounds in Israel
ύ
i
(ifti
(571) |
LEOENO
-a ALL WELLS
O TURONIAN-CEREMONIAN
• EOCENE AQUIFER
ι OTHER AQUIFER
* PLIESTOCENE AQUIFER
» OF WELLS
Fig. 5.
Average nitrate concentration in wells of main aquires
LEGEND
O UNCULTIVATED SOIL
• CROP ROTATION
A ORCHAROS
A URBAN AREA
( ) NUMBER OF WELLS
Fig. 6.
Average nitrate concentration in wells of pleistocene aquifer
according to land use in vicinity
TOTAL ANNUAL PUMP*GE—420 MCM
NO. OF WELLS —7+7
tO
$0
NITRATE
CONCENTRATION Ippm)
Fig. 7.
Maximum nitrate distribution in wells investigated