A reprint that contains the same priceless information that launched the solar-greenhouse revolution in the 1970s. From greenhouses improvised out of PVC pipe a
Build your own passive solar greenhouse for year-round food production in any climate Fresh, local nutrient-dense fruits vegetables are hard to find in winter i
Grow vegetables year-round in a greenhouse powered only by solar energy Originally developed in China to feed millions, Chinese greenhouses are earth-sheltered,