Since this is not my area of expertise, I searched Google under the key words "Commercial Specialized Subsistence Agriculture " to get these possible sources:
http://answers.yahoo.com/question/index?qid=20071223192206AAOcyYk
http://books.google.com/books?id=nVchumHhM7UC&pg=PA226&lpg=PA226&dq=Commercial+Specialized+Subsistence+Agriculture&source=web&ots=YXaGweO2Hx&sig=jFjhdod2rUIUjm5sj61HlEf_Ti4&hl=en&sa=X&oi=book_result&resnum=4&ct=result
http://74.125.95.104/search?q=cache:nQDUZ4ek_60J:www.cnr.berkeley.edu/classes/espm-50/lecture.pdf+Commercial+Specialized+Subsistence+Agriculture&hl=en&ct=clnk&cd=6&gl=us&client=safari
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. Thanks for asking.
Define Commerical, Specialized and Subsistence Agriculture
1 answer