PLant Nutrient Facts for Hydroponics & How to Make Your Own Fully Formulated Plant Food

BKNUTRIENT Features: -By Jim McCaskill. -Compilation of two earlier publications. -Complex subjects are presented in ways that any level gardener can understand and apply. -Contains nutrient formulations and charts to help you step by step. -Made in the USA. Subject: -Gardening. Age Group: -Adults. Country of Manufacture: -United States. Dimensions: Overall Height - Top to Bottom: -8.4". Overall Width - Side to Side: -8.5". Overall Depth - Front to Back: -0.5". Overall Product Weight: -1.15 lbs.