questions: query regarding low production  in tea 
 
 answers: spraying of npk 19:19:19 @ 1.5 grams in 1 litre for two times at 10 days interval along with 12% edta zinc @ 1 grams in 2 litres /33% zinc sulphate monohydrate @ 2 grams in 1 litres for two times at 15 days interval