Can anyone suggest a good reference to review which will cover the high points to consider for a residential slab? My future slab will be on sandy soil - hard clay under approximately 3 feet of sandy soil.
Cam anyone advise a source for 1 1/2 inch net pots? The U. of Hawaii has an interesting project using large juice containers to grow plants in a 'passive hydroponic' system. If anyone is interested, more info is at the site: http://www2.ctahr.hawaii.edu, look at "Home Garden"...
I am considering using either a thin polycarbonate sheet or a double thick sheet (6 mm) for a commercial greenhouse covering. The polycarbonate seems to withstand UV well, and the sheets appear to withstand hail and other impacts well. The visible light transmission is greater than 82% which...
