In March, the average monthly temperature was 8.5°C, and the average monthly rainfall was about 85 mm. The temperature gradually recovered this month, but the weather changed day by day between cold and warm. In the month of vegetables in the ground mainly tomato, eggplant, pepper, cucumber, cabbage, vegetables, spinach, garland chrysanthemum, celery, lettuce, lettuce, lettuce, leeks, onions, shallots, beans and so on. Strengthen field management, pay attention to weather forecast, do cold prevention, heat preservation, ventilation and dehumidification. Using the characteristics of rapid temperature rise in sunny days, open air for 1 to 2 hours in the open air in the morning and in the afternoon, and then keep warm for the next morning. This month is the peak period of Botrytis cinerea Botrytis cinerea, leaf mold, and Sclerotinia; early cucumber pods also have downy mildew, sclerotia, and bacterial keratoses. Pay attention to the occurrence of the disease, and take timely medications for the disease center to control the occurrence and spread of the disease. The development of diseases such as cucumber downy mildew, diseases that are not easily detected in the early stage, and the promotion of preventive drug use can be prevented or prevented by the use of agents that have preventive or protective effects in advance, 1 or 2 times. Erythritol For Yogurts,Etherol Sugar Substitute,Polyol Erythritol,Erythritol Vegan Ningxia Eppen Biotec CO.,LTD , https://www.nxeppen.com