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Environmental Systems Research

Table 4 Effect of nitrogen and phosphorus fertilizer on aboveground biomass N uptake of Dorke maize variety biomass 55 DAS at Ejura during the major and minor season, 2008

From: The effect of phosphorus and nitrogen fertilizers on grain yield, nutrient uptake and use efficiency of two maize (Zea mays L.) varieties under rain fed condition on Haplic Lixisol in the forest-savannah transition zone of Ghana

Treatment combination

Biomass N uptake (kg ha−1)

N (kg ha−1)

P (kg ha−1)

Expt. 1

Expt. 2

Expt. 3

Expt. 4

N1P1

0

0

40

33

35

18

N1P2

0

30

41

33

37

31

N1P3

0

60

42

34

37

33

N2P1

40

0

67

58

56

34

N2P2

40

30

76

63

65

51

N2P3

40

60

76

62

66

56

N3P1

80

0

83

74

65

39

N3P2

80

30

98

85

82

57

N3P3

80

60

97

86

83

64

N4P1

120

0

86

83

67

40

N4P2

120

30

99

99

82

63

N4P3

120

60

99

100

83

68

Mean

  

75

68

63

46

Effects

F-probability

N

**

**

**

**

P

**

**

**

**

N * P

**

**

**

**

  1. Expt. 1 Ejura farm major season, Expt. 2 Agric College major season, Expt. 3 Ejura farm minor, Expt. 4 Agric College minor season, NS non-significant
  2. *, ** Significant at 0.05 and 0.01, respectively
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