Vinyl chloride, chloromethane and the banned pesticide DDT are examples of chlorinated hydrocarbons. Chlorinated hydrocarbons are organic molecules wherein chlorine has been substituted for some of...
Resident flora of certain areas plays a definite role in maintaining health and. normal function. Members of the resident flora in the intestinal tract synthesize. vitamin K and aid in the absorption of nutrients. On mucous membranes and. skin, the resident flora may prevent colonization by pathogens and possible. disease through âbacterial interference.â The mechanism of bacterial interference. is not clear.
Providing your plants with the nutrients and growing conditions they need helps your plants grow normally and stay healthy. Without the right nutrients and growing environment, your plants will grow poorly, and they can become susceptible to insects and diseases. There are three major nutrients that can limit the growth of your plants and a variety of conditions that your plants need to sustain healthy growth. The three nutrients that plants use in the greatest quantities are nitrogen, phosphorous and potassium.