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Sunblock in the orchard

作者:杭嘟巅    发布时间:2019-03-06 03:09:03    

By Barry Fox Fruit can get sunburnt too: if it soaks up too much infrared, it goes brown. Farmers often cover whole orchards. A cheaper remedy is now being patented by Washington State University (WO 00/24264). They mix a thixotropic clay with an emulsion containing beeswax, then spray the liquid mixture on the crop. The waxy clay thickens and clings to the fruit,

 

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