| 摘要 |
<p>PURPOSE: A liquid organic fertilizer using stevia as a main material is provided to improve fertilizer spray effects by effectively fermenting saccharides and nitrogen materials included in stevia extract. CONSTITUTION: A liquid organic fertilizer using stevia as a main material comprises the steps of: drying stevia in a shade; pulverizing the stevia in 100mesh size; performing hot water extraction at 80-120°C for 8 hours; performing vacuum concentration under 0.5-1Torr for 8-12 hours; inoculating EM mixed bacteria originated from stevia fresh herb; proceeding aerobic fermentation at 80rpm; aging it at 15-20°C for 60 days; and filtering it in 300mesh.</p> |
