Επαναλαμβανόμενα θετικά αποτελέσματα ελήφθησαν στο ρύζι ακολουθώντας διαφυλλική εφαρμογή με Multi-K ™ στο Βιετνάμ
|
Crop/cultivar |
Rice / IR 64 |
|---|---|
| Country / location | Vietnam / Mekong delta/ Song Hau State farm near Omon |
| Objectives | Enhanced yield |
| Haifa product tested | Multi-K and Multi-Rice (13-3-43) |
| Application method | Foliar nutrition |
| Tested treatment | Panicle density: 365 units/square meter. Mean No. of filled grains/panicle: 40.7 1,000 grains weight: 25.9 g Total yield: 6.66 MT/ha Grower’s revenue from yield: 130 US$/MT |
| Control treatment results | Panicle density: 365 units/square meter. Mean No. of filled grains/panicle: 40.7 1,000 grains weight: 25.9 g Total yield: 6.66 MT/ha Grower’s revenue from yield: 130 US$/MT |
| Best treatment results | Panicles density: 376 units/square meter. Mean No. of filled grains/panicle: 54.5 1,000 grains weight: 26.8 g Total yield: 7.56 MT/ha Grower’s revenue from yield: 130 US$/MT a |
| Characteristics of best treatment | Yield increase: 0.9 MT/ha (13.5% above control, statistically significant) Yield quality: mean grain weight was 3.5% larger. (statistically significant) Cost of treatment (application + material) 27 US$/ha |
| Net benefit of best treatment | 90$ |
| Benefit/Cost ratio | 4.3 |
| Conclusions |
Same positive results are obtain during the last several years. The application rates are modest but the huge hectarage makes it a target crop niche. |
| Reference | Dr. Pham Sy Tan @ Cuu Long Rice Research Institute & Mr. Pham Van Giang (Astraco) |
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