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bower · January 15, 2017

Another natural substance that can be sprayed for frost protection is glycine betaine.

https://www.researchgate.net/publica...lycine_betaine

Natural sources which are rich in glycine betaine include seaweeds and beets.

January 15, 2017	#7
bower Tomatovillian™ Join Date: Feb 2012 Location: Newfoundland, Canada Posts: 6,793	Another natural substance that can be sprayed for frost protection is glycine betaine. https://www.researchgate.net/publica...lycine_betaine Natural sources which are rich in glycine betaine include seaweeds and beets.