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  • Mono-ammonium phosphate NP 11:52
Mono-ammonium phosphate NP 11:52
Mono-ammonium phosphate NP 11:52
It is a universal high-concentrated nitrogen-phosphorous granulated compound fertilizer, which includes water soluble phosphorous. Fertilizer is distinguished by its purity. Ammophos is acid fertilizer without ballast substances.Fertilizer is applied to improve phosphate regime on all types of soils. It is characterized by high phosphorous fixation especially under condition of insufficient moisture. It is one of the most suitable phosphorous fertilizers for side-dressing.
Packaging Big bag 500 kg
Country of Origin Marocco
Manufacturer ОСР
Formula NP 11:52
Properties \ Benefits
  • Slightly hygroscopic, not prone to caking, free flowing fertilizer
  • High purity
  • Without ballast substances
  • One of the most suitable phosphorous fertilizers for side-dressing
More details
Download quality certificate
Properties \ Benefits
  • Slightly hygroscopic, not prone to caking, free flowing fertilizer
  • High purity
  • Without ballast substances
  • One of the most suitable phosphorous fertilizers for side-dressing
More details

Principles of application

Ammophos (mono-ammonium phosphate) (MAP) is the most suitable for basal application, but it can also be applied by other methods.

Fertilizer is applied at the time of main tillage with traditional and energy-saving technologies in autumn and spring. Application of fertilizer in autumn does not cause phosphorous and nitrogen losses. 

Phosphorus is distributed by the soil solution in the soil layer and settles on the colloids surface without fixing by them. Ammonium form of nitrogen is fixed by soil absorption complex and utilized by plant in result of exchange reactions. Due to such processes, nitrogen and phosphorus losses from ammophos are minimal.  Doses of fertilizer are calculated in accordance with  crop’s phosphorus demand. At the time of basic soil tillage operations it is advisable to mix fertilizer with soil to the depth of ploughed layer. No-till technology does not allow soil overturning, that is why fertilizer that have been spread on soil surface with crop residues moves into the root layer under the action of surface humidity. With strip till technologies, fertilizer is concentrated in separated strips and is taken up by plants gradually.

Application of ammophos fertilizer at time of seeding or pre-planting (in the absence of possibility to apply phosphorous fertilizer as basal one) enhances root system development.

Ammophos side dressing is practically the only possible way to catch up with phosphorous nutrition shortage. Ammophos is applied with cultivator-fertilizers.

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Recommended application rates Mono-ammonium phosphate NP 11:52 for various crops.
Winter cereals
Winter cereals
Side/top dressing 20-250 kg/ha
Spring cereals
Spring cereals
Basal application 150-250 kg/ha. Side/top dressing 20-200 kg/ha
Soybean
Soybean
Basal application 50-75 kg/ha
Corn
Corn
Basal application 100-350 kg/ha. Side/top dressing 50-150 kg/ha
Sugar beet
Sugar beet
Basal application 200-300 kg/ha. Top/side dressing 50-100 kg/ha
Sunflower
Sunflower
Basal application 100-250 kg/ha. Top/side dressing 50-100 kg/ha
Winter rapeseed
Winter rapeseed
Top/side dressing 50-250 kg/ha
Potato
Potato
Basal application 100-200 kg/ha
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