Foliar spray of micronutrients is practiced to rectify the deficiency. However, mixtures of micronutrients foliar spray causes salt burn and spots on leaves. Hence, precautions to be taken while foliar spray of micronutrients. kindly provide the precautions.
Ashok Karan
Foliar spray of micronutrient solutions should be with lime to maintain solution pH near to neutral about 6.5 and addition of lime may increase solution temperature
. So, solution should be sprayed after cool down to normal temperature.
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