Soil with a pH that's too low can lead to your tomato plant getting too little calcium. To prevent overly acidic conditions, perform a soil test and apply lime at the recommended rate to raise the pH to the 6.0 to 6.5 range. Do this two to four months before you plant.
There are 40 acres in a parcel, which has four sides that measure 1,320 feet each. A square mile is 640 acres, with each side measuring 5,280 feet in length.
There are 43,560 square feet in an acre. An acre is also equal to 4046.86 square meters or 4840 square yards. If you want to convert any unit of area to other you can use these : Land Area Calculator.