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Table 7 Influence of plant-based manure on weed density, dry weight, and grain yields of cereals, Experiment III

From: Perennial forage legume cultivation and their above-ground mass management methods for weed suppression in arable organic cropping systems

Organic manure

Spring wheat

Spring barley + undersowing

Cereal growth stage (BBCH)

27

75

75

Grain yield

27

75

75

Grain yield

number m−2

Weight gm−2 DM

kg ha−1

%

number m−2

Weight gm−2 DM

kg ha−1

%

No manure (control)

70

67

23.2

4015

100

78

77

22.1

2450

100

RC

48*

47*

9.4*

4237

108

115**

90

29.0*

2360

96

FerRC

63

66

16.4

3774

94

97

88

24.0

2777*

113

FerP + W

57

52

12.7*

3766

94

94

79

25.3

2496

102

ComRC + S

62

67

16.9

3818

95

95

70

20.2

2665

109

GCM

74

80

24.5

4297

107

86

60

19.7

2863*

117

Mean

62

63

17.2

3985

 

94

77

23.4

2602

 

Statistics of ANOVA (p)

p < 0.05

p < 0.05

p < 0.05

n.s

 

p < 0.01

n.s

n.s

p < 0.05

 
  1. RC green clovers mass cut and ploughed in the fall, FerRC red clover ground mass fermented under anaerobic conditions, FerP + W fermented pea and spring wheat mass manure, ComRC + S composted red clover and straw manure, GCM granulated cattle manure
  2. Values in italic and followed by * or ** are significantly different than the control according to other variant at p < 0.05 and p < 0.01, respectively