The fruit of the tangerine contains a variety of nutrients such as sugar, citric acid, vitamin C, protein, and various vitamins such as carotene and vitamin P. The vitamin C content is 6 to 20 times that of apple. Qincheng Tangerine is not only rich in nutrients, but also has a beautiful color, strong aroma, moderate sweetness and sourness, and it is thought to be missed, but it is coveted and the food is sweet. Oranges, citrus fruits, oranges, etc. can be combined with other dishes to cook a variety of flavors of cuisine. Thus, citrus has become one of human's favorite fruits. In 1990, the world's total output of citrus was nearly 69 million tons, ranking first in all kinds of fruits, with a per capita consumption of 13.3 kg or more.

The purpose of plastic trimming is to obtain a good and firm tree structure to achieve the purpose of regulating light, rationally distributing nutrients, and balancing tree potential, so that it can be terminated early, increase yield per plant, and control the canopy within a certain range. Fruit, fight drugs, pruning and other management work, for densely planted orchards, plastic trimming has the function of controlling the canopy closure, which is an indispensable technical measure.

The quality of orchard soil management directly affects the success and failure of the construction of the park, the quality of the production, and the quality. It is the fundamental purpose of soil management to create soil conditions suitable for the growth and development of citrus, such as water, fertilizer, gas and heat. The main measures are the application of organic fertilizer, cultivating, deep turning green, reasonable intercropping, covering and other measures to achieve the goal.

In the 1-3 years after planting in the densely planted citrus orchard, green crops, legume crops, vegetables and other short-crop crops are planted between rows. After pressing the oranges into the soil, the organic matter can be increased and the soil matured soil can be improved. As a covering.