Taro planting technology

Citron is an international rare fruit. Unique to China, Zhejiang famous.
Citrus is a red bean family, one of the rare ancient plant species. There are many varieties of citrons, including fine sorghum, sesame sorghum, rice bran, eggplant sorghum, tooth extraction trowel, and round sorghum. Among them, the main varieties of Toona sinensis are thin, full, brittle, odor-flavored, ripe early, and relatively high in yield and yield. Adult tree can produce up to 20-30 kg. Citrus fruit is used for fruit, oil, medicinal, ornamental, afforestation, and wood use. After frying, the kind of kernels are crispy and delicious. It can also be used to process glutinous rice cakes, cakes, sugar, cakes, etc. It is also popular for exports to Hong Kong, Macao and Japan. Coix seed oil rate of up to 54%, more than oil tea, soybean oil content, is a good source of raw oil. Coix seed has good effects in the treatment of lungs, phlegm, cough, and intestinal parasites. The shell contains aromatic oils such as alcohols, copper, aldehydes and olefins. It is a specific natural raw material for extracting high-grade aromatic oils and blends. The live eucalyptus trees are tall and straight, and the Shushu tree is ancient and vigorous, with luxuriant branches and branches. The material is hard and smooth, with a dense texture and no cracks or cracks. Therefore, it is also a high-grade material for craft carving, gardening and watchmaking.
Fragrance is a dioecious and semi-negative evergreen tree. Sexual warm and humid climate. Naturally distributed in the mountain 250-700 meters above sea level, facing the mountains, wing, night fog, less direct light and scattered light more mountainside valley, slopes on both sides of the stream and the village bypass side, behind the room The open space is well-developed on the fertile, deep, sand dune with soft texture or well-drained yellow mud. It takes 15-20 years for the actual tree to begin its results, and it reaches the full fruit period after 20-30 years. The canopy is a pagoda-shaped tower with trunk upright height of 20-30 meters. For example, next to Yikeng Village, in front of B, there is also a banyan tree with a tree age of 600 years and a tree height of 30 meters. Grafting trees, trunks are developed on the low-lying side, and the crowns are mostly oblong. The grafting of the large rootstocks is 5-6 years ahead of the fruiting and fruiting stages, respectively.The trees grow slowly, most of them shoot only once in the spring, and the length of the newly shot well B is usually only 15-25 cm. At the top of the base branches, 2-4 branches are often used in each school, and the majority are 3 branches.
Fragrance is dioecious. Female twisters require pollination by male pollen and can only be fertilized after fertilization; for growth and development of a generation of fruit. From Huaping differentiation to fruit harvesting, it takes up to three years, accounting for 29 months. It takes two years for the fruit to hang on the tree. 17 months. Every year around April 20, flowering at the top of the spring in the last year, results in early May. The first time a large number of young fruit fell off during this period. From April 20 to the year of the year of the Cui, the new branches again flowered. At this time, the young fruit of the second year appeared another peak of fruit drop. Until the middle of September, the fruit of the last year was mature. Therefore, in a tree, when the fruit is not picked, two fruits of different sizes can be seen at the same time. The big fruit is the fruit that bloomed in the previous year; the young fruit that bloomed in the spring of the year; and the fruit that was stored in the family in the previous year, and therefore the citron has the “three generations of Xiangxiong three generations of fruit”.
Citron is a rare fruit in China, and its fruit is sold at home and abroad: it is in short supply. However, due to the long growth period and low effectiveness of Toona sinensis, it affects the enthusiasm of the development of Toona sinensis. 9 Strengthen the management of forest management and strictly forbid cutting of the only virtuous tree. In order to provide sufficient pollination conditions for the existing female eucalyptus and later developed new twig trees.
Artificial cultivation of citrons. Generally, rootstocks can be planted after the rootstock is grown to a certain size, and grafting can also be performed after the nursery has grown. The best plant spacing in the late planting period was 4.4m X 5.5m. At the same time, 2% of male plants should be planted as pollination trees. In order to promote tree growth, young trees within 10 years of age, in addition to the use of delayed organic fertilizer in winter, from the spring to autumn should be applied to 3-4 times quick-acting fertilizer. Each plant uses 50-150 grams of urea each time; in addition to the winter base fertilizer, the adult trees should be topdressed once before flowering, or after harvesting, and after harvesting in September. Each urea plus compound fertilizer 1-2 kg each time.
Citron generally adopts multi-dry circular trimming, which can be allowed to grow freely except for cutting dense branches, dead branches, and 8 larvae without precision trimming.
Xiangshu's flower protection and fruit protection is first managed to make it fully pollinated, in addition to the application of hormones and trace elements. The method is: In mid-April, the crown can be sprayed with 40% potassium dihydrogen phosphate or 0.2% potassium dihydrogen phosphate, or 40% of boric acid or 4/2000. To prevent fruit drop significantly, it can improve fruiting list 2-6 times.

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