Calibration and Algorithm Development for Estimation of Nitrogen in Wheat Crop Using Tractor Mounted N-Sensor

Table 1

Fertilizer in form of urea application timings and doses.

Treatments	Dose (KgN/ha)			Total (kgN/ha)
	Basal (50%)	At 1st irrigation (25%)	At 2nd irrigation (25%)
N1	0	0	0	0
N2	15	7.5	7.5	30
N3	30	15	15	60
N4	45	22.5	22.5	90
N5	60	30	30	120
N6	75	37.5	37.5	150