लहानि सल्फेटखौ अनथाइसेरेब गोनां हायाव जाफुंसार होनाया जाथावना नङा ।
But making a 3 percent solution of sulphate and ferrous sulphate with more powerful iron element , on spraying twice on the leaves , the yield increased to 3750 kilograms per hector meaning an increase of 1500 percent happened .