This 60-page growers manual discusses major and minor nutrients, trace elements, soil pH, organic matter, soil texture, etc. Includes lime and fertilizer recommendations for a variety of crops and plants.
Plant Nutrition Studies (Order Code 1596)
by Dr. Robert Stegner
This 76-page 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.
A Study of Soil Science (Order Code 1530)
by Dr. Henry D. Foth
This 44-page booklet provides an introduction to soil formation, soil pH, mineral elements, and plant nutrition, the life cycle of growing plants, and soil fertility management.