This is an old gardening myth that just wonât rot away! This common, incorrect, advice goes as follows: if your soil is alkaline (ie has a pH above 7) and you want to make it more acidic, add pine needles to the soil. Since pine needles are acidic they will acidify your soil.
1 According to eHow.com, the price of the asphalt is between $85 and $150 per ton. 2  The cost varies depending on the current price of oil. 3  At Aestone.com, standard mixes of hot mix asphalt cost $52 â $60 per ton. 4  Specialty mixes can cost upwards of $75.
   On average it cost $1 per sq.ft per inch of asphalt, just to lay  it. If you are laying 3 inches of asphal â¦ t then expect it to cost  around $3 per sq ft. If you lay 4 inches expect to pay 4 $ per  sq.ft..