Three Ways to Order Your Science Supplies

Online - Pay by credit card, check or your account.

By Phone - Call us at 800.628.7748
Mon.- Thurs. 7:30 -12:00, 12:30-3:00 pm EST, Fri.Closed


By Fax - Fax your order with our
pdf form.

Plant Nutrition Studies


1971. Dr. Robert Stegner. This manual covers the study and practice of hydroponics -- plant culture in soil-less nutrient solutions. Includes a series of laboratory procedures and open-ended investigations. 76 pages, soft cover.

Go back