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.
So far, 2015 ammonia prices are above 2014 levels, but below the average for the past six years.From 2009 to 2014, the October anhydrous price of $774 per ton was $34 per ton higher than the April average of $740 per ton (see Table 1). However, within-year price changes can be large and of varying direction.