Can Walnuts be Grown in Guangdong

Walnut, also known as walnut, is one of the four dried fruits, walnut kernel in the nutrition is high, beneficial to the human body, the market demand is large. Walnuts belong to deciduous fruit trees in the north. Can they be planted in Guangdong?

Can walnuts be planted in Guangdong

Guangdong is not suitable for growing walnuts. Walnut is suitable for planting in areas with an average annual temperature of 8-15 ℃ and annual rainfall of 8-1200 mm, while the average annual temperature in Guangdong is about 19-24 ℃. Rain Water is abundant in the province, with an average annual precipitation of 1300-2500 mm. High hydrothermal conditions are not conducive to the development of walnut.

2. Growth conditions of walnut trees

Walnut trees are suitable for the ecological environment with deep, loose, fertile, moist and cool climate. It is distributed in North China, Northwest, Southwest, Central China, South China and East China. Sex likes warmth and is afraid of frost. Walnut trees born on hillsides and hills at an altitude of 400-1800 m have a flowering period of May and a fruiting period of October.

Walnut trees like rich and moist sandy loam and are often found in deep soil layers on both sides of mountain valleys. Agricultural cultivation is generally in the low mountains and hills about 200 meters above sea level. It has strong adaptability and lax requirements for environmental conditions. Generally 500-1500 meters above sea level, annual average temperature 8-15 ℃, annual rainfall 800-1200 mm, sandy loam or calcareous soil, PH6.5-7.5.The soil is deep, loose, fertile and can be planted in places with good drainage. The soil that is too sticky, too wet and poorly drained is not suitable for planting. Walnut is a light-loving fruit tree, which requires sufficient light, so it is better to choose the south slope when building a garden in the mountains.

III. Nutritional value of walnut

Walnut is rich in nutritional value, with the reputation of "longevity", "longevity fruit" and "treasure of health preservation". 86% of the fat in walnuts is unsaturated fatty acids. Walnuts are rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B1, as well as fiber, phosphorus, nicotinic acid, iron, vitamin B2 and pantothenic acid. In every 50 grams of walnut, moisture accounts for 3.6%, and contains 7.2 grams of protein, 31 grams of fat and 9.2 grams of carbohydrates.

The cultivation of any plant needs to be planned according to the biological characteristics of the crop and local environmental conditions.