Precision Farming Yielded High Profits in Tamil Nadu
Rajamani, a young farmer of Pullagoundan pudur village, Coimbatore district, Tamil Nadu practiced conventional farming in growing vegetable crops like onion, chilli and turmeric in the red sandy loam soil. But the gained benefits were not as good as expected. He participated in a training on precision farming organized by Directorate of Extension Education , Tamil Nadu Agricultural University (TNAU) and approached Horticulture Department for further advise. Department suggested him to follow the precision farming as a group to get high profit. He planned to cultivate onion, tomato, brinjal, cauliflower, chilies and turmeric. Then, he prepared his land under the supervision of scientists of Horticulture Department, TNAU.
He started the cultivation of turmeric in his own field in an area of 1.5 hectare. He ploughed the lands four times and applied farmyard manure @ 25 t / ha and 300 kg of DAP and 150 kg of potash as a basal dose. Then he formed raised beds of 120 cm with at an interval of 60 cm for sowing and placed the laterals on the centre of each bed at the rate of 1 lateral pipe per 5 feet. The beds are wetted through drip irrigation. Then sowing was done in the month of June @ 2000 kg/ha following the methods as suggested by Dharmapuri and Krishnagiri farmers.
He broadcasted the coriander seeds @ 500g /ha in between the turmeric crop and irrigated the field through drip system. He also planted the small onion bulb @ 1000 kg/ha in two lines as the intercrop with six lines of turmeric at a spacing of 120cm. He sprayed Oxygold weedicide @ 2ml / lit on second day after sowing. After one week of sowing, he transplanted 1000 chilly seedlings in between the lines with a spacing of 80cm and also he sown red gram as a border crop @ 200g / ha. He applied 5kg potassium nitrate and 5 g urea at five days interval by fertigation method throughout the cropping