13 books
SOIL and Plant Analysis Laboratory Registry
Complete Guide for Growing Plants Hydroponically
Instructions for Growing Tomatoes
Plant Nutrition and Soil Fertility Manual, Second Edition
Hydroponic Handbook
Hydroponics
Agronomic Handbook
Tomato Plant Culture: In the Field, Greenhouse, and Home Garden
Tomato Plant Culture
Plant Analysis Handbook II
Handbook on Reference Methods for Soil Analysis
Plant Analysis Handbook
A Guide for the Hydroponic and Soilless Culture Grower