Update nutri_call.html

nutri_call.html

@@ -375,7 +375,6 @@ document.getElementById('calculate-btn').addEventListener('click', function() {
         S: parseFloat(document.getElementById('profile_cl').value) || 0,
         NH4: parseFloat(document.getElementById('profile_nh4').value) || 0,
         NO3: parseFloat(document.getElementById('profile_no3').value) || 0,
-        EC: parseFloat(document.getElementById('profile_ec').value) || 0,
         liters: parseInt(document.getElementById('liters-input').value) || 1
     };