Information for farmers
Characteristics of mineral fertilization of sugar beet:
Sugar beet is sensitive to soil conditions. Sugar beet removes
- It is advisable to apply organic fertilizers in fall – as sugar beet has a prolonged vegetation period, the nutrients are taken up from this source very well.
- Sugar beet is a potassium-demanding crop and it needs higher doses of potassium.
- The crop is sensitive to the shortage of boron and manganese, if a plant lacks these elements, brown heart usually develops, and sugar content as well as crop yield fall down.
- Potassium improves the quality of roots, reduces transportation costs.
- The most favorable pH rate for sugar beet 6,5?7,5.
- In respect of the take up of nitrogen, phosphorus, and potassium (especially phosphorus) first 10-15 days after emergence are critical.
- Every kilogram of nitrogen increases the yield crop growth by 50 to 60 kg/ha.
Timing of mineral fertilizers application:
- Phosphorus and potassium fertilizers are usually applied in fall during the basic cultivation. Small doses of phosphorus (10-20 kg/ha) should be applied in rows during sowing (NPK 21?7?12?2).
- In the period of intensive leaves growth sugar beet consumes a lot of nitrogen and potassium.
- The maximum nutrients consumption happens during the roots formation. In this period additional nutrition with complex mineral fertilizers is the most effective.
- Increased amounts of nitrogen are applied by dosing – 90-100 kg/ha on primary nutrient basis during the major application in spring prior to sowing, and 30 - 40 kg/ha on primary nutrient basis during additional nutrition after thinning out and interrow loosening.
- From nitrogen fertilizers calcium-ammonium nitrate, calcium-nitrogen-sulphate, and nitrogen-sulphate are preferable (work better then usual nitrates).
- Foliar nutrition with the major nutrients and microelements is a good method to increase the crop yield.
Timing and standards for application of mineral fertilizers produced by URALCHEM in order to achieve the planned yield level, kg/ha:
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|
Comments |
Planned crop yield (roots), c/ha | ||||
200-300 |
301-400 |
401-500 |
501-550 |
550-600 | |||
Nitrogen * |
Ammonium nitrate |
Presowing |
171-257 |
257-314 |
314-371 |
371-400 |
400-428 |
Calcium-ammonium nitrate (27N + 4Ca) |
205-335 |
335-405 |
405-481 |
481-518 |
518-550 | ||
Nitrogen sulphate (32N +5S) |
171-257 |
257-314 |
314-371 |
371-400 |
400-428 | ||
Complex* |
NPKS 21-10-10-2 |
Presowing appilcation |
200-295 |
295-365 |
365-435 |
435-465 |
465-495 |
NPKS 22-7-12-2 |
205-300 |
300-370 |
370-437 |
437-470 |
470-495 | ||
NPKS 21-10-10-2 |
Additional nutrition |
85-128 |
128-157 |
157-185 |
185-200 |
200-215 | |
NPKS 22-7-12-2 |
90-130 |
130-162 |
162-190 |
190-205 |
205-215 |