For tea-drinkers, many of the most important conversations happen over a cup of tea. We have something you may like to share with someone at tea-time. It’s news from the hillsides of Vietnam, the fifth largest tea producer in the world, of the benefits to tea growing from polyhalite application.
Topping up tea land
Tea lands, rolling green and productive, are a fabulous landscape and a feast for the eye. But the soil may not provide all that the tea bush roots need to feed on. New and ‘hungrier’ varieties of tea introduced to boost productivity in Vietnam need more nutrients than the soil in traditional tea lands can supply.
Polyhalite, this natural marine sedimentary mineral, is a hydrated sulphate of potassium, calcium and magnesium. These alkaline elements are just the ticket for tea plants. So polyhalite, marketed as Polysulphate, was tested on the tea lands in the famous Lam Dong district of Vietnam as an additive to compound N-P-K fertilizers.
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