 |
|
|
Application rates - Nutrient removal
The crops nutrient removal is a primary factor determining the amount which needs to be replaced by fertilizer. Nutrient uptake of the plant reflects the total amount required by the plant to produce a certain yield.
| Crop |
Yield
(t ha-1) |
Uptake
(kg ha-1) |
Crop |
Yield
(t ha-1) |
Uptake
(kg ha-1) |
 |
|
|
|
|
|
|
|
|
|
Mg |
S |
|
|
Mg |
S |
| Cereals |
|
|
|
Roots and tubers |
|
|
|
| Maize |
6 |
24 |
25 |
Cassava |
40 |
24 |
20 |
| Rice |
6 |
12 |
10 |
Potato |
40 |
24 |
20 |
| Wheat |
6 |
11 |
30 |
Yams |
35 |
12 |
|
| Pulses |
|
|
|
Fibre crops |
|
|
|
| Beans |
2.5 |
13 |
26 |
Cotton |
1 |
24 |
20 |
| Pea |
2 |
12 |
|
Jute |
2 |
21 |
|
| Fruits |
|
|
|
Vegetables |
|
|
|
| Apple |
25 |
24 |
|
Onion, Garlic |
35 |
9 |
20 |
| Citrus |
30 |
24 |
30 |
Eggplant |
60 |
18 |
10 |
| Pineapple |
50 |
66 |
20 |
Cabbage |
70 |
36 |
80 |
| Stimulants and spices |
|
|
|
Sugar crops |
|
|
|
| Black pepper |
7 |
18 |
|
Sugar beet |
45 |
54 |
35 |
| Coffee |
2 |
24 |
26 |
Sugar cane |
100 |
36 |
60 |
| Oil crops |
|
|
|
Forage crops |
|
|
|
| Soybean |
3 |
24 |
20 |
Alfalfa (hay) |
9 |
24 |
25 |
| Oil palm (FFB) |
25 |
60 |
30 |
Grass/clover (hay) |
12 |
42 |
40 |
| Sunflower |
3 |
33 |
15 |
Green maize (silage) |
70 |
30 |
25 |
|
