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Dettagli:
Contatto
Ora chiacchieri
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| Aspetto: | Granulo sferico nero, esente da polvere | Dimensione del granulo: | 4-6mm, resistenza allo schiacciamento 12N min |
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| Acido umico (base asciutta): | Min di 65% | Ossido di calcio (CAO): | 8% min |
| Ossido di magnesio (MgO): | 3% min | pH (sospensione all'1%): | 8.5-9.5 |
| Cec: | 380-420 meq/100g | Umidità: | 15% massimo |
| Tasso di applicazione: | 300-600 kg/ha basale, 150-200 kg/ha copertura | ||
| Evidenziare: | Acid Sulfate Soil Humic Granules,Calcium Magnesium Enriched Leonardite,Mekong Delta Rice Paddy Amendment |
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We build this granule for one specific field problem: rice land in the Mekong Delta where the subsoil turns bright yellow at 40cm and the pH of the standing water sits between 3.5 and 4.5 after the first flush of the dry season. In that condition aluminium becomes mobile, phosphate is locked onto iron and aluminium oxides, and no amount of urea or DAP rescues a thin crop. Our answer is a 4-6mm leonardite granule carrying 65% humic acid together with calcium and magnesium, so
Persona di contatto: Mr. Neal
Telefono: +8618764169939