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Major Areas :: Green Manuring :: Nutrient content of Greenmanure

Nitrogen content and accumulation of greenmanures

Local name

N (%)

N accumulation

Biomass

Sithagathi
Dhaincha
Manila agathi
Sunnhemp
Pillipesara
Wild Indigo

2.29-3.10
2.55-3.21
3.20-3.37
2.80-3.15
2.16-2.77
2.90-3.22

115-160 kg/ha
130-185
170-220
80-130
85-125
70-115

20.2 t/ha
26.3
24.9
16.8
17.6
16.8

 

Nutrient content of non-conventional green manure

    Green manures

    Total (N %)

    C:N Ratio

    Total P (%)

    Total K (%)

    Trees (leaves or twigs)

    Neem
    Delonix elata
    Delonix regia
    Peltophorumferrugenum
    Cassia nigricans  

    2.83
    3.51
    2.76
    2.63
    2.73

    70:1
    27:1
    32:1
    34:1
    -

    0.28
    0.31
    0.46
    0.37
    0.18

    0.35
    0.13
    0.50
    0.50
    0.50

    Weeds

    Adathoda vesica
    Parthenium hysterophorus
    Eicchornia crassipes
    T portulacastrum
    Ipomoea cornea
    Calotropis gigantea
    Cassia pistula

    1.32
    2.68
    3.01
    2.64
    2.01
    2.06
    1.60

    60:1
    30:1
    29:1
    32:1
    43:1
    64:1
    120:1

    0.38
    0.68
    0.90
    0.43
    0.33
    0.54
    0.24

    0.15
    1.45
    0.15
    1.30
    0.40
    0.31
    1.20