A grower's guide to water, media, and nutrition for greenhouse crops

the long version

"In one book - all you'll ever need to know about water, media, and nutrition for your greenhouse crops." "Intended for the grower-manager of a sophisticated operation as well as the entry-level grower, this book features chapters on water purification systems, advanced irrigation systems, pH/alkalinity control, the right media mix, water testing and interpretation, and recycling; cutting-edge information never before published; and scientifically tested knowledge proven effective in practice."--BOOK JACKET.