Yellow leaf disease against lily should be treated with the right symptom, differentiated diagnosis and treatment. Appropriate use of water and fertilizer, farming methods should be appropriate, especially in the peak period of growth and development, fertilization, cultivator and other farm operations to avoid rooting, for the lack of yellow leaf disease caused by increased top dressing and foliar spray fertilizer, topdressing with nitrogen and potassium fertilizer for Lord, spraying potassium dihydrogen phosphate, iron fertilizer and so on. When the ground pests are harmful, 1 kg of 3% carbofuran is sprayed before the irrigation. When the density of insect population is high, 5% phoxim solution is used to irrigate the roots, 0.5 kg of liquid per hole.
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