The problem is basically because of iron deficiency in plants. Please ferrous sulphate, 0.05 per cent solution. Mix thiourea , which contains 42 per cent sulphur. Thiourea acts as a chelating agent. Mix 1 gram Thiourea in 2 litres of water and 2 gram ferrous sulphate together, leave the mixture for half an hour for stabilization, and then spray on the plants. The results will be visible in about a week. Your explanations are appropriate and convincing.
अभी माइक्रो न्यूट्रिशन दीजिये। 2ग्राम/ml प्रतिलीटर हर 5 वे दिन 7 से 8 बार। घोल बारिश के पानी से तैयार करें। सुबह सुबह पहले स्प्रे करे फिर गमलों में दे जब बारिश न हो।