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.
Cost. Ignoring any maintenance costs, asphalt is generally much cheaper to install than concrete. On average, the cost per square foot for asphalt will run between $2.50 to $4.00. Fluctuations in crude oil prices can cause fluctuations in asphalt prices but the price will remain around this range.