I"ve always heard that watering plants if the temperature goes a couple of levels listed below freezing will assist prevent them from freezing, but I"ve never fairly taken the slrfc.org behind it. Can you males assist me to understand also this a little bit better? Thanks!


$egingroup$ -1 Your concerns seem to have very little bit to do through slrfc.org. "Are all physicists favor Sheldon Cooper" "How does watering your plants ..." "How does a drip in a pipe ..." What's next? "What is the slrfc.org of furballs", "Why carry out gremlins revolve intend as soon as wet"? These last 2 are obviously facetious examples, but you get the drift. $endgroup$
If the temperature is not much listed below freezing, the price of warmth carry from your plants (and specifically from the earth about their roots) is low, if there is a lot of water existing, the high heat of fusion means that it will certainly take a lengthy time to actually freeze much of it. So probably the plant makes it through the night without too much damage.

You are watching: Why do farmers spray water on crops before a frost

Note that if it doesn"t warmth up sufficient the following day the second night will kill them bereason it starts cshed to freezing.


While this might be true, a far better option is actually to spray your plants via water. When water freezes, it releases warm (a small counterintuitive, I understand, yet that"s why you have to put water in a cold location to freeze it - you need to take ameans heat). So, if your plants have actually a thin layer of water on them that freezes, it actually helps keep them warmer. Furthermore, the layer of ice, being a great insulator, will then help store the plant warmer with the cold spell.

See more: How Many Smirnoff Ice To Get Drunk Off Two Bottles Of Smirnoff?


It"s actually acquired a lot even more to perform via chemisattempt than slrfc.org: it takes energy to break chemical bonds, and also energy is released when shelp bonds are formed. Essentially, the the majority of crucial aspect right here is the intermolecular pressures at occupational between water molecules: hydrogen bonding. The hydrogen bonding that reasons water to solidify releases energy right into its surroundings as they are developed. So, as water starts to freeze, hydrogen bonds are being formed which releases energy to the surrounding area and actually warms the setting. So, spraying your plants through water before a cold night will certainly proccasion frosting, and the subsequent fatality of shelp plants, bereason the water will warm up your plants as the temperature drops.


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