Potential role of kaolin or potassium sulfate as anti-transpirant on improving physiological, biochemical aspects and yield of wheat plants under different watering regimes

Bulletin of the National Research Centre

Table 6 Effect of different concentrations of kaolin or K₂SO₄ under different levels of water holding capacity on N, P, K, Na, and Ca percentage of wheat plants after 75 days from sowing (combined analysis of two seasons)

WHC (%)	Treatment	N %	P %	K %	Na %	Ca %
80%	Control	2.594	0.277	0.460	0.105	0.297
	Kaolin 3%	2.991	0.284	0.656	0.232	0.566
	Kaolin 6%	3.296	0.335	0.632	0.118	0.542
	K₂SO₄ (100 mg/l)	3.418	0.284	0.712	0.334	0.481
	K₂SO₄ (200 mg/l)	3.296	0.292	0.696	0.118	0.301
60%	Control	3.010	0.285	0.604	0.188	0.376
	Kaolin 3%	3.991	0.239	0.708	0.139	0.470
	Kaolin 6%	3.662	0.299	0.652	0.121	0.397
	K₂SO₄ (100 mg/l)	3.510	0.250	0.637	0.146	0.470
	K₂SO₄ (200 mg/l)	3.552	0.276	0.648	0.117	0.393
40%	Control	3.115	0.243	0.652	0.086	0.373
	Kaolin 3%	3.205	0.216	1.268	0.141	0.446
	Kaolin 6%	3.906	0.207	0.696	0.130	0.446
	K₂SO₄ (100 mg/l)	3.784	0.267	0.658	0.117	0.395
	K₂SO₄ (200 mg/l)	3.662	0.205	0.660	0.112	0.434
LSD at 5%		0.005	0.022	0.006	0.037	0.007