A hothouse is a not luxury, and severe necessity, thus not only in north regions but also on a south. A question is in that from what you will protect plants - from a cold, fallouts or. heat. Yes, a hothouse can protect even from her, it is needed only to know, what materials and constructions are most effective in every concrete task standing before a summer resident. Follower known in our country of natural agriculture - fashionable in the whole world directions are in agriculture - Nikolay Ivanovich Курдюмов in the book will share experience of extension of season in the protected soil and defence of harvest from illnesses that deprive summer residents, at times, halves that it had to appear on their table.