NPK CON CO USP Results from Tay Ninh Rice Trial in Winter-Spring 2024-2025

Field trials in Tay Ninh during the Winter-Spring 2024-2025 rice season demonstrate that STORK Brand USP NPK 20-10-0+10.5Ca+7S improves soil pH, strengthens root systems, and achieves yields of 9.41 tons/ha. What's the secret behind these impressive results?

STORK Brand USP NPK 20-10-0+10.5Ca+7S Fertilizer

USP (Urea Super Phosphate) is a product manufactured using a patented French proprietary process that Baconco has developed in Vietnam.

• It allows the combination of urea nitrogen with Super Phosphate, two components typically incompatible for mixing.
• The resulting formula is NPK 20-10-0+15.5CaO+7S.
• It can be easily blended with other fertilizers to create custom fertilizer formulations.

Benefits of USP:

• Increases soil pH, improves soil acidity, creates looser soil structure, retains more nutrients, promotes stronger microbial development, reduces organic toxicity and alum poisoning, and prevents root suffocation.
• Slowly releases nutrients to prevent nutrient loss, especially nitrogen (preventing nitrogen leaching and evaporation), increasing fertilizer efficiency.
• Provides calcium and sulfur to thicken cell walls, protecting against fungal infections and reducing pest infestations. Plants become sturdier and more resistant to lodging.

STORK Brand USP NPK Field Trial on VN121 Rice in Tay Ninh

During the Winter-Spring 2024-2025 season, Baconco conducted a field trial of STORK Brand USP NPK 20-10-0+10.5Ca+7S in An Hoa commune, Trang Bang district, Tay Ninh province. The VN121 rice variety was used, with a growth period of 100 to 105 days. Four different treatments were applied on 1,500m² plots each, on slightly acidic soil that had been previously flooded.

The four fertilizer treatments included: T1 (basal application; first and second topdressing without urea; pre-heading application with potassium), T2 (no basal application; first and second topdressing without urea; pre-heading application with potassium), T3 (basal application; first and second topdressing with urea; pre-heading application with potassium), T4 (Control: first and second topdressing using NPK 21:14:7; pre-heading application with NPK 17:7:21).

Soil pH Improvement and Rice Growth Results

The results showed that in treatments using STORK Brand USP NPK, soil pH improved significantly from 4.6-4.8 to 5.5-6.2 just 6 days after basal application.

This pH improvement helped plants grow stronger with thicker, more compact green leaves. Stems were sturdier and roots were noticeably healthier compared to the control without USP (treatment 3 and control showed signs of excess nitrogen).

Root development comparison (32 days after sowing). Photo: Baconco

Yield Results and Technical Parameters

Recorded yield parameters. Photo: Baconco

Monitoring showed that treatment 2 (T2) achieved an average of 86 filled grains per panicle and 490 panicles per m², significantly higher than other treatments. Treatment 2 (T2) reached the highest actual yield of 9.41 tons/ha, 5.85% higher than the control.

These metrics confirm the superior effectiveness of STORK Brand USP NPK 20-10-0+10.5Ca+7S under actual production conditions.

Application Value and Usage Recommendations

The product has high calcium content and controlled release of nitrogen and phosphorus, increasing the efficiency of nitrogen and phosphorus utilization. It reduces alum poisoning and organic toxicity, common issues in rice-growing areas due to post-harvest straw residue.

STORK Brand USP NPK 20-10-0+10.5Ca+7S can be effectively used during all three main stages of the fertilization process: basal application, topdressing, and pre-heading. The product can be used alone or in combination with other fertilizers such as urea or potassium, depending on the application timing and growing conditions.

Conclusion

Farmers visiting the STORK USP DEMONSTRATION field. Photo: Baconco

In Treatment 2: Using STORK USP 20-10-0+10.5Ca+7S for rice topdressing in the first and second applications, combined with potassium for the third application (pre-heading) delivered the best results.

Based on the trial results in Tay Ninh, STORK Brand USP NPK 20-10-0+10.5Ca+7S is confirmed as a comprehensive and effective solution for rice cultivation in slightly acidic soil conditions and rice-growing soils in general. This is an appropriate solution to increase rice yields and progressively improve rice cultivation soil.