Table 4.

Macronutrients’ content and uptake as affected by irrigation regimes, anti-transpiration materials and their interaction over two growing seasons.

Irrigation Levels m3ha−1 (I)	Anti-Transpiration (A)	Macronutrients content (mg kg−1)			Macronutrients uptake (kg ha−1)
		N	P	K	N	P	K
I1	A0	28.90d	3.60e	21.13 g	30.83 g	3.74 h	22.84f
	A1	32.20abcd	4.20cde	21.50 fg	50.07ef	6.57fgh	32.34e
	A2	34.20abcd	4.50cde	22.30def	65.15de	8.61ef	41.96d
	A3	35.50abc	4.80bcd	22.80bcde	80.82 cd	10.88de	52.06c
I2	A0	29.30 cd	3.80de	21.83efg	40.15 fg	5.15gh	29.55ef
	A1	33.60abcd	4.70bcde	22.37cdef	65.02de	8.86ef	43.02d
	A2	35.80ab	4.90bcd	23.37bc	89.95c	12.21 cd	58.26c
	A3	36.20a	5.30abc	23.77ab	117.28b	17.18b	76.93b
I3	A0	29.70bcd	4.10cde	22.23def	58.02ef	7.93efg	42.69d
	A1	34.20abcd	5.20abc	23.00bcd	88.89c	13.42 cd	59.57c
	A2	36.10ab	5.90ab	23.73ab	120.64b	19.63b	78.58b
	A3	37.40a	6.30a	24.63a	163.76a	27.32a	107.96a
Irrigation (I)	I1	32.78a	4.28b	21.93c	56.72c	7.45c	37.30c
	I2	33.73a	4.68b	22.53b	78.1b	10.85b	51.94b
	I3	34.35a	5.38a	23.40a	107.88a	17.08a	72.20a
Anti-Transpiration (A)	A0	29.3b	3.83c	21.73b	43.06d	5.61d	31.69d
	A1	33.43a	4.70b	22.29b	67.99c	9.62c	44.98c
	A2	35.37a	5.10ab	23.13a	91.91b	13.48b	59.60b
	A3	36.37a	5.47a	23.73a	120.62a	18.46a	78.97a
ANOVA	I	0.470	0.028	<0.001	<0.001	0.001	<0.001
	A	0.004	<0.001	<0.001	<0.001	<0.001	<0.001
	I × A	0.999	0.872	0.973	0.007	0.001	<0.001

Notes: 1. Anti-transpiration sources: A₀, A₁, A₂ and A₃ are; Non-Treated, Tryptophan, Potassium Silicate and Chitosan used as foliar spray, respectively. 2. Irrigation regimes: I₁, I₂ and I₃ are; 2400, 3600 and 4800 m³ ha⁻¹ respectively.