Hydroponic Food Production
Hydroponic Food Production: J
The most concise textbook on hydroponic food production available. A complete manual and an encyclopedic reference work on soilless food production.
Merchant: Kalyx
Hydroponic Food Production: HY
HYDROPONIC FOOD PRODUCTION BY HOWARD M. RESH, Ph.D. For those who really want to learn. HIGHLY RECOMMENDED !
Merchant: Kalyx