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Kenaf - Nutritional elements (Fe, B, Mo and Co
excluded) and removal by hectare in the three components of the plant (root
excluded). G-4 variety, harvested at 240 days from the seeding with a
dry substance yield equal to 24 t/ha |
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| ELEMENTS |
Leaves and tops |
Linden tree |
Core |
Total |
|
% |
Kg/ha |
% |
Kg/ha |
% |
Kg/ha |
Kg/ha |
| Nitrogen |
0,96 |
59,9 |
0,40 |
27,8 |
0,24 |
31,4 |
119,1 |
| Phosphorus |
0,13 |
7,08 |
0,07 |
5,00 |
0,06 |
7,01 |
19,09 |
| Potassium |
1,44 |
87,2 |
1,56 |
106,7 |
0,60 |
76,4 |
270,3 |
| Sodium |
0,10 |
7,01 |
0,10 |
6,08 |
0,23 |
29,4 |
43,3 |
| Calcium |
1,11 |
64,8 |
0,74 |
50,6 |
0,18 |
23,03 |
138,7 |
| Magnesium |
0,55 |
34,2 |
0,79 |
54,2 |
0,17 |
22,00 |
110,4 |
| Sulphur |
0,16 |
9,01 |
0,18 |
12,02 |
0,10 |
12,00 |
33,6 |
|
ppm |
|
ppm |
|
ppm |
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| Manganesium |
37 |
0,226 |
25 |
0,171 |
5 |
0,066 |
0,463 |
| Copper |
11 |
0,065 |
9 |
0,063 |
7 |
0,090 |
0,218 |
| Zinc |
23 |
0,134 |
17 |
0,113 |
14 |
0,182 |
0,429 |
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Source: "Il kenaf, non solo una nuova materia prima cellulosica" - G. Mignoni |
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