- Company: SENCA CO., LTD
- Name of production: foliar fertilizer SENCA – 11; SENCA – 12; SENCA – 18; SENCA – 19
- Ingredient, uses: Macronutrients and micronutrients.
- Crops/soil types: rice, green vegetables and tea on degraded soil, alluvial soil of the Red River, and yellow red soil on clay soil.
- Dosage used: for rice spray 3 times (1 kg / ha / time + 400 liters of water); for broccoli spray 2 times (1 kg / ha / time + 400 liters of water); for tea spray 4 times ((1 kg / ha / time + 400 liters of water).
- Stage implementation: 2014
- Results of testing fertilizer:
Crops/soil types |
Crop yield increases compared to Control |
Economic efficiency increases compared to Control
|
| Paddy Rice – Red River alluvial soil (quintal / ha) | 4,48 – 5,96 | 1,50 – 2,06 |
| Mustard greens (tons / ha) | 2,76 – 4,17 | 7,5 – 10,53 |
| Tea – yellow red soil, (quintal / ha) | 10,87 – 14,50 | 1,19 – 3,07 |