1. For the cultivation of plots of lotus root, it is necessary to choose a plot with deep soil, easy irrigation, and strong water conservancy, and achieve a reasonable crop rotation. The rotation cycle is preferably 2-3 years, which can greatly reduce the sources of wilt disease in soil.
2. Strictly select the species, and select the species with strong growth from 2 to 3 knots from the disease-free plots to prevent the disease from being propagated by the species. To achieve timely sowing and reasonable close planting, to maintain good ventilation and light transmission in Putian; to strengthen the management of paddy fields, to make full use of fertilizing farmyard manure, increase phosphorus and potash fertilizer, and to apply foliar fertilizer to foliar soil to activate the ecological growth of plants. Energy, increase the ability of underground fruit to absorb nutrients and enlarge vitality, promote the rapid expansion and development of lotus root, and enhance disease resistance.
3, timely medication control, generally in about mid-July on the incidence of field lotus root spray control, can use targeted drugs and new high fat film mixed spray, can be multiple times to improve the control effect, reduce pesticide residues; spray control When you need to select sunny and windless weather spray, you should first sneeze the middle of the field plants, after spraying the four plants, spray once every 7-10 days, even spray 2 or 3 times, in order to consolidate the control effect, reduce the blight disease.
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