Generally apply it three times a year. The first time 1 time is pre-flowering fertilizer, which is applied before flowering in February, and farmyard manure or pond mud 15kg/ plant and potassium chloride 0. 15kg/ plant are applied; The second time is green fruit fertilizer. During this period, leaves grow vigorously, fruits expand rapidly, and more nitrogen is needed. Apply farmyard manure10-15kg/plant, urea 0.2kg/plant, potassium chloride 0.2kg/plant, or NPK compound fertilizer 0.3kg/plant. The third time is winter fertilizer, mainly potassium fertilizer. In June, 1 1.5 kg farm manure, 0.5- 1.0 kg phosphate fertilizer and 0.2 kg potassium chloride were applied.
Related instructions
Areca catechu is prone to leaf spot, leaf blight, anthracnose, epidemic disease, ear blight, bacterial leaf streak, bud rot, yellowing and so on. Pests mainly include red spike borer, leafhopper, aphid, whitefly, scale insect, red spider, brontispa longissima and so on. The prevention and control of betel nut diseases and insect pests should be based on comprehensive control, that is, treating pests and diseases at the same time and clearing the garden in time, so as to achieve good control effect.
Insects such as scale insects, leafhoppers, aphids and red spiders. Complicated with bituminous coal disease, anthracnose and so on. At the same time, 20% acetamiprid wettable powder 20g+70% thiophanate-methyl 20g+2 million IU agricultural streptomycin 3g can spray water 15kg, 7 7- 10/day 1 time.