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Where is the grapefruit tree suitable for planting?

1, climatic conditions. The annual average temperature in the country of origin is 17.5℃, the extreme high temperature is 40.5℃, the extreme low temperature is -9.2℃, the frost-free period is 238 days, the annual precipitation is 1725.3 mm, and the annual sunshine is 1898.6 hours. Grapefruit is more tolerant to low temperature than sweet orange, orange orange and satsuma mandarin.

2. Topography. Grapefruit does not require high terrain, and can be planted in plains, beaches, hills, low mountains, mountains below 500 meters above sea level and mountains with a slope of no more than 25 degrees.

3. Grapefruit is not strict with soil, and the soil pH is 5.5-6.5. As long as the soil layer is deep and the drainage is good, alluvial soil, red and yellow soil, purple sand soil and vegetable garden soil can be planted. Sandy loam is the best soil quality.