Companion gardening is the planting of two or more plants in close proximity for the benefit of one or all of them.  Benefits provided by the companion plant may include: Giving off chemicals that can deter pests. Improving growth due to the companion plant adding something beneficial to the soil. Providing shade for lower-growing plants. […]

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The chemicals we put on our roads and sidewalks to melt ice and snow all work in the same way; they depress the freezing point of water by adding dissolved particles. Salt for example adds one sodium and one chloride ion for every molecule of salt added to the water. The more salt added to […]

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