Table 15 : Productivity of some indigenous and exotic grasses: sum of 28 days cutting during the growing season in dry matter ton per hectare.

Species

Ecotypes or cultivars ORSTOM

Dry matter (t/ha)

Means

Standard deviation

         

Years

       
   

1980

1981

1982

1983

1984

1985

1986

   

Indigenous species

                 

Andropogon gayanus

Wakwa

01.02

01.36

02.37

03.82

03.31

02.98

02.74

02.51

01.01

Andropogon gayanus

Faro

02.45

02.11

03.54

03.70

01.08

03.46

02.81

02.74

0.94

Brachiaria brizantha

 

03.01

04.10

05.91

06.18

10.62

08.52

06.50

06.41

02.56

Hyparrhenia rufa

 

02.39

03.68

08.86

06.38

08.61

08.55

07.10

06.51

02.56

Melinis tenuissima

06.94

06.04

07.72

11.21

07.28

06.98

06.98

06.80

07.57

01.68

Exotic species

                 

Pennisetum purpureum

Kizozi

01.43

03.59

04.12

11.95

05.64

03.27

04.69

04.96

03.35

Tripsacum laxum

 

01.08

05.09

04.63

08.75

07.28

05.75

03.12

05.10

02.54

Brachiaria ruziziensis

 

05.95

06.11

14.43

11.37

11.47

06.64

07.93

09.13

03.30

Panicum maximum

Bamenda

03.32

03.71

08.20

11.53

09.32

07.26

06.20

07.08

02.95

Panicum maximum

Bambui

03.28

03.62

06.04

10.81

12.40

06.22

07.92

07.19

03.44

Panicum maximum

Makueni

02.66

04.20

02.27

15.19

12.00

06.03

10.61

07.57

05.05

Panicum maximum

Shika

02.74

03.71

07.88

11.13

07.96

05.06

07.07

06.51

02.88

Panicum maximum

trichoglume

03.03

03.66

07.88

10.58

06.45

-

-

-

-

Panicum maximum

Colaniao

03.72

03.10

07.60

10.24

07.81

06.47

08.04

06.71

02.52

Panicum maximum

Killo

05.05

04.58

08.59

12.30

11.99

07.54

08.12

08.31

03.02

Panicum maximum

K 187 a

03.31

04.08

07.70

15.83

08.53

07.81

10.31

08.22

04.16

Panicum maximum

K 187 b

02.32

03.77

07.53

12.14

09.86

06.28

07.64

07.08

03.37

Panicum maximum

K 184

02.75

03.41

04.84

14.89

10.62

06.89

08.00

07.34

04.30

Panicum maximum

K 160

03.20

03.40

07.51

14.38

09.31

-

-

-

-

Panicum maximum

K 89 a

05.07

03.41

04.84

05.61

06.41

05.46

05.60

05.20

0.93

Panicum maximum

K 89 b

03.03

02.93

06.82

11.78

08.26

08.92

06.71

06.92

03.18

Panicum maximum

K 211

01.04

01.92

03.26

08.50

06.32

07.38

08.43

05.26

03.14

Panicum maximum

G 23 a

04.38

04.08

09.82

13.86

11.07

06.38

11.22

08.69

03.76

Panicum maximum

G 23 b

04.22

05.53

08.06

14.34

09.97

08.28

08.41

08.40

03.25

Panicum maximum

G 17

03.47

04.73

11.51

11.06

09.74

06.22

11.39

08.30

03.41