http://www.selah.k12.wa.us/SOAR/SciProj2001/OracioV.html

 

http://www.sciencemadesimple.com/botany_plant_projects.html

 

http://www.gardeningknowhow.com/vegetable/tips-for-growing-beans.htm

 

http://usagardener.com/how_to_grow_vegetables/how_to_grow_bush_beans.php