Remove branches on the main stem up to 45 cm from the ground. Regularly cut off dried twigs together with about one inch of green wood below, and burn them. Spray zinc sulphate 0.5% (500 g per 100 litres) three times a year — March, July and October — after new flushes appear. Mulch the basins with dry leaves or paddy husk about 10 cm thick.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Acid Lime – After cultivation, p. 14
