Warren County Connection A Publication of Cornell Cooperative Extension of Warren County
Understanding Synthetic, Natural, Organic and Chemical Pesticide Designations By Nancy Knauss, State Master Gardener Coordinator, PennState Extension Avid gardeners may yearn to grow the tastiest tomato, the largest pumpkin, or an unblemished rose. There are four common terms that gardeners hear and use on a routine basis when discussing fertilizers or pesticides---synthetic, natural, organic and chemical. These terms are extensively used in gardening literature and popular media. As a Master Gardener and chemist I will define these terms and their implications for gardeners:
bon, this type of fertilizer is considered to be an inorganic fertilizer.
Natural When we hear the term "natural", it implies that we are dealing with something that occurs in nature. A common misconception is, if it's nature-made, it can't be harmful to us or the environment. Well, this is not Synthetic totally true. As an example, consider This implies that a substance used in the castor bean (Ricinus communis), a garden is "man-made" and not which can be grown as an annual in found naturally. For clarity, the term our area. One of the products ob"synthetic" is better replaced with tained from this plant is castor oil, the term "inorganic" - that is, an in- which is used commercially and for organic fertilizer does not contain human consumption. However, anthe element carbon (C). other component of this plant is ricin, one of the most deadly naturally Bottom line: A synthetic fertilizer occurring poisons known. A 500 mimay contain ingredients, such as, crogram dose (about the size of the ammonium nitrate (NH4NO3), potas- head of a pin) can kill an adult by sium chloride (KCl), sodium phosinjection. phate (Na3PO4), calcium sulfate (CaSO4), as part of its composition. Bottom line: Even though nature proHowever, because none of these in- vides many wonderful things for the gredients contains the element car(Continued on page 3)
February 2019
In this issue: Windowsill Herb Gardening
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Growing Hops - In the Home Garden
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I Think My Pet Had a Seizure. Now What?
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Warding Off Lifestyle Creep
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Fridge Organization 10 Key to Lessening Foodborne Illness Risk Butternut Squash and Cider Soup
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