In DSM, nicotine dependence is included under the general definition of substance dependence.  The essential feature of Substance Dependence is a cluster of cognitive, behavioral, and physiologic symptoms indicating that the individual continues use of the substance despite significant substance-related problems.
Greenhouse Covering. Whether you're replacing existing greenhouse coverings or building a greenhouse you're sure to find the best greenhouse covering at FarmTek. Greenhouse glazing is the material that covers the greenhouse frame and the most widely used materials are polycarbonate and poly film.
Peppers and Chilies. Similar to tomatoes, peppers and chili peppers make for great greenhouse crops, and you have so many options when it comes to what you grow. Bell peppers are versatile and can be used in all kinds of foods, including salads, and you can grow them in all different colors to add variety.