بررسی امکان جایگزینی پیت با موادآلی مختلف در بسترهای کشت گیاهان گلدانی پتوس و دیفن باخیا و مقایسه اقتصادی آن

The results of the compested hills temperature masurment were shown length of time about 90 days for decay these organic muters is suit~ble in desirable circumstance. Results were shown about Dumb cane (Dieffenbachip .requine amoena.) organic composition number 4 at first formula (FI) had the most' suitable plant growth factors and about Pathos (Scindapsus pic/us) organic composition number two at second fonnula had significant statistical preference to peat and other organic mater treatments. The results wear also shown that treatment number 6 had lowest cost and the most benefit. Peat had the most raising percent of price but because of high production cost was not economic. The treatments number 6,4,2 and ~ were beter than the others. I Key words: Benefit~cost ratio, DiejJenbachia sequinJ amoena, Peat, Pot plants, Productivity, Substitutable organic maters, Scindapsus pif'us