This article is from the Hemp / Cannabis / Marijuana FAQ, by Brian S. Julin firstname.lastname@example.org with numerous contributions by others.
Hemp requires little fertilizer, and grows well almost
everywhere. It also resists pests, so it uses little
pesticides. Hemp puts down deep roots, which is good for
the soil, and when the leaves drop off the hemp plant,
minerals and nitrogen are returned to the soil. Hemp has
been grown on the same soil for twenty years in a row
without any noticeable depletion of the soil.
Using less fertilizer and agricultural chemicals is good for
two reasons. First, it costs less and requires less effort.
Second, many agricultural chemicals are dangerous and
contaminate the environment -- the less we have to use, the
``Hemp'' by Lyster H. Dewey pp. 283-346. pub. United States Department
of Agriculture, 1913.
``The Emperor Wears No Clothes: The Authoritative Historical Record of
the Cannabis Plant, Marijuana Prohibition, & How Hemp Can Still Save
the World'' by Jack Herer pub. Queen of Clubs HEMP Publishing, 1993.