Table 10 The impact of water treatment and zinc level as well as the interaction between them on nitrogen, phosphorus and potassium content in grain and straw of wheat cultivar.

From: Influence of zinc foliar spray on growth, some important physiological processes, yield and yield attributes of bread wheat under water stress

Parameter

k grain (g/100gdwt)

K straw (g/100gdwt)

N grain (g/100gdwt)

N straw (g/100gdwt)

P grain (g/100gdwt)

P straw (g/100gdwt)

Season

1

2

1

2

1

2

1

2

1

2

1

2

A. Irrigation

 Control

0.337

0.327

2.20

2.11

2.47

2.37

0.351

0.345

0.330

0.314

0.050

0.047

 Water Stress

0.398

0.388

2.61

2.54

2.88

2.77

0.403

0.393

0.351

0.342

0.071

0.070

 F test

*

**

**

*

**

**

**

*

*

*

*

*

B. Zn levels ppm

 0

0.338d

0.325d

2.10d

2.01d

2.35d

2.26d

0.380c

0.353d

0.302d

0.290d

0.047d

0.045d

 100

0.348c

0.336c

2.31c

2.23c

2.68c

2.57c

0.366c

0.364c

0.323c

0.312c

0.055c

0.053c

 250

0.358b

0.349b

2.56b

2.46b

2.74b

2.63b

0.395b

0.377b

0.360bb

0.343b

0.065b

0.061b

 500

0.425a

0.420aa

2.65a

2.61a

2.92a

2.81a

0.368a

0.380a

0.376a

0.368a

0.077a

0.075a

 F test

**

**

**

**

**

**

**

**

**

**

**

**

C. Interactions

 A × B

**

**

*

*

**

**

**

*

**

*

*

*

  1. Based on CoHort/CoStat software, Version 6.311, various letters point to substantial variance between treatments at p 0.05, *significant at 0.05 possibility levels and **significant at 0.05 possibility levels.
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