Optimizing Irrigation Water and Nitrogen Fertilizer Levels for Tomato Production

Table 1: Tomato growth and yield as affected by irrigation and nitrogen fertilizer levels

Treatment		Plant Height (cm)	Branch Nº	Fruit Diameter (mm)	Fruit Length (mm)	No. of Healthy Fruits/m²	Fresh Yield (Mg/ha)
IL-1 (50% ETc)	0 kg N/ha	40.03^f	6.33^cd	44.43^c	60.27^b	347.20^b	13.70^b
	46 kg N/ha	43.47^ef	6.53^c	48.27^bc	65.65^ab	432.80^ab	16.93^ab
	92 kgN/ha	47.77^cd	7.47^ab	52.05^ab	69.65^ab	547.20^ab	22.93^ab
	138 kg N/ha	51.90^ab	6.87^bc	48.43^bc	65.77^ab	425.60^ab	18.60^ab
IL-2 (75% ETc)	0 kg N/ha	41.43^f	6.47^c	48.93^abc	64.37^ab	364.80^b	18.70^ab
	46 kg N/ha	46.57^de	6.93^bc	53.37^ab	68.77^ab	446.40^ab	21.90^ab
	92 kgN/ha	50.67^abc	7.60^ab	56.10^b	71.60^a	630.40^a	29.90^a
	138 kg N/ha	53.07^a	7.67^ab	51.68^abc	65.80^ab	478.40^ab	24.27^ab
IL-3 (100% ETc)	0 kg N/ha	39.93^f	5.53^d	47.25^bc	62.40^ab	362.20^b	15.07^ab
	46 kg N/ha	48.00^bcd	6.93^bc	50.97^abc	66.07^ab	438.40^ab	19.27^ab
	92 kgN/ha	52.83^a	8.27^a	53.98^ab	70.08^ab	545.60^ab	25.57^ab
	138 kg N/ha	51.33^abc	7.60^ab	50.82^abc	65.95^ab	448.00^ab	20.80^ab

Levels not connected by the same letter are significantly different at 5% probability level.