This field trial's goal was to determine the best coating-ratio and the N level for maize, compared with fertigation, and to test the influence of CRF application methods
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Descripion |
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| Crop / Cultivar | Maize | |||||||||||
| Area | Eraclea, Italy | |||||||||||
| Objectives | • To determine the best coating ratio and the N level for Maize in sandy soil, compared with fertigation • To test the influence of CRF application methods: broadcasting versus banding |
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| Haifa product + formula | Multicote™ Agri, Coated Urea (2) 43-0-0 | |||||||||||
| Accomplish objectives | Full | |||||||||||
| Report date | 2010 | |||||||||||
| Type of partner’s business | Trial station | |||||||||||
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Methods and Materials |
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| Experimental plan | Fully randomly | |||||||||||
| Repetitions |
4 |
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Treatments |
Farmer Practice- FP |
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| Application time | Kg N/ha | Fertilizer | ||||||||||
| Pre-sowing | 300 | Anhydrous Ammonia (82% N) | ||||||||||
| Sowing time | 120 | MAP 14-46-0 | ||||||||||
| Total N applied in FP: 260 kg/ha | ||||||||||||
| Application method | N level (of N removed) | % of coated Urea | Kg N/ha | |||||||||
| Broadcast and banding | 125% | 0 | 187 | |||||||||
| 125% | 25 | 187 | ||||||||||
| 125% | 50 | 187 | ||||||||||
| 150% | 0 | 225 | ||||||||||
| 150% | 25 | 225 | ||||||||||
| 150% | 50 | 225 | ||||||||||
| Application methods | Base dressing: broadcast and banding | |||||||||||
| Sowing/Transplanting date | 20.4.2010 | |||||||||||
| Harvest date | 6.10.2010 | |||||||||||
| Soil characteristics | Sandy soil | |||||||||||
| Irrigation method | 6 times in the season | |||||||||||
| Climate conditions | Month | Precipitation | ||||||||||
| May | 71 | |||||||||||
| June | 193 | |||||||||||
| July | 65 | |||||||||||
| August | 87 | |||||||||||
| September | 229 | |||||||||||
| General results | N level: kg/ha | % of coated N | Average | FP | ||||||||
| Treatment / Application method | 187 | 225 | 0 | 25 | 50 | |||||||
| MT/ha mean Production | ||||||||||||
| Banding | 17.5 | 18.1 | 17.4 | 18.6 | 17.5 | 17.8 | ||||||
| Broadcasting | 11.5 | 11 | 11.3 | 11.7 | 10.8 | 11.3 | ||||||
| Average | 14.5 | 14.6 | 14.3 | 15.1 | 14.1 | 14.5 | 11 | |||||
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Conclusions |
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| Summary |
In this experiment the application method had the highest impact on the Nutrient Use Efficiency, where the impact of the coated/uncoated ratio was minor. |
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