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旱育秧苗易发生立枯病,必须重点防治。 1.确保床土调酸质量 按照技术规程,使用好床土调酸剂,使床土酸度均匀地降至pH4.5～5.5之间。 2.合理用肥 秧田尽量使用硫酸铵、过磷酸钙等酸性肥料,避免施用碳酸氢铵、钙镁磷肥等碱性肥料,尿素也不宜在秧田施用。 3.旱育秧田全面应用敌克松农药 1995年我县实践,凡是施用了敌克
Dry seedling prone blight, we must focus on prevention and treatment. 1. To ensure that the quality of bed soil acidity in accordance with technical regulations, the use of bed soil conditioner, so that bed soil acidity dropped to between pH4.5 ~ 5.5. 2. Reasonable use of fertilizer seedling field try to use ammonium sulfate, superphosphate and other acidic fertilizer, to avoid the use of ammonium bicarbonate, calcium magnesium phosphate fertilizer and other alkaline fertilizer, urea should not be applied in the seedling. 3. Dry seedling nursery full application of anti-Nixon pesticide In 1995, my county practice, who applied the enemy grams