Is the climate in Yangxin County, Huangshi City, Hubei Province suitable for planting grapefruit with red hearts?

Yangxin County of Huangshi belongs to the tropical climate zone of North Asia, with an annual average temperature of 65438 06.8℃ and a frost-free period of 263 days. When the average sunshine hours are 1897. 1, the sunshine rate is 44%. The average annual rainfall is 1389.6mm, which tends to decrease from southwest to northeast. The average annual rainfall is 147 days, and it is the most in summer. Yangxin County belongs to the hilly area of southeastern Hubei, and is located in the transition zone from Mufu Mountain to Yangtze River alluvial plain. There are many low mountains in the northwest, southwest and southeast, which are inclined to the east and middle, forming an incomplete intermountain basin. Rich water flows through the county town from west to southeast, and from below Meitan, lakes on both sides of the river are dotted with gentle slopes, distributed among hills, rivers and lakes. Yangxin county has abundant sunshine, humid climate, abundant precipitation, low altitude and many hilly terrain, and the climatic and geographical conditions are more suitable for the growth of red heart pomelo.

Red-heart grapefruit is suitable for planting in low-altitude areas of Pinghe County, with wide adaptability, strong resistance, early fruiting and high and stable yield. It can be planted in river valleys, flat dams and hilly areas suitable for citrus growth at an altitude of 200 ~ 500 m.

Generally, the phenological period of red-fleshed honey pomelo can germinate four times a year, including spring, summer, autumn and winter, and the germination periods are in late March, mid-June, late July and mid-June of 10 respectively. The initial flowering period is from mid-March to early March, the full flowering period is from late March to early April, and the final flowering period is mid-April. The self-flowering rate is high. Generally more than 50%; The fruit development period is from early April to early September, and the maturity is 20 ~ 25 days earlier than that of Guanxi honey pomelo.