The reason why prices go up year after year walnut, with several factors: First, the expansion of domestic consumer demand. With economic development, more and more consumers recognize the nutritional and medicinal value of walnuts, consumption has risen; the second is the rise of walnut processing industry. Walnuts can be made into food, processed into fuel, can also be added to other foods among the wide range of uses makes walnut consumption, a substantial increase in demand; the third is the international market demand increased. Because walnut nutritious, taste good, very popular in the international market. Our walnut is a major exporter of the United Kingdom, Germany, Switzerland, Syria, Singapore, Kuwait, the export volume increased year by year trend. Comprehensive international and domestic market demand, we can see the development of the walnut industry prospects, profitable. However, experts suggest that in the development of walnut production, points to note: First, choose varieties. Although China is the largest country in area planted walnut, but low coverage varieties, and to a large extent on all retail cultivation, market competition is weak, and therefore pay more attention to quality. There is an outdoor grafting technology, however, still subject seedling breeding, seriously hampering the work of fine varieties of breeding. Experts suggest that farmers in the choice of varieties, try to choose a premature birth, high, thin, large, excellent varieties kernel rate, improve market competitiveness; the second is to improve the technical quality of farmers and commercial awareness, scientific planting, management walnut tree increase economic efficiency. Tai'an Hi-tech Zone Edison horticultural field (www.tahxyy.com) is located 12 km south of Mount Tai, convenient transportation, is nationally renowned for its large-scale breeding base, the field in the fruit tree seedling breeding for decades, has more standard varieties Observation Nursery, seed demonstration garden, breeding nursery. In recent years, expanding the number of breeding apples, peaches, apricots, plums, dates, hawthorn and other species and improve quality, while focusing on doing the introduction, demonstration and promotion of the famous sand pear breeding varieties. Early first to introduce water-loving, water-loving, relaxed and at home and abroad, such as 36 varieties, and built with foreign joint venture Korea sand pear demonstration garden of 200 acres, this year most of the varieties have been put into operation or results. And about 10 million foreign sales scion bud varieties. At present, a lot of the sale of a variety of field Hokkaido boxwood 500 000, Cypress 5 million, 10 million arborvitae, cherry (mu), bungeana 40,000, while a large number: holly, Euonymus fortunei, leaves little Bo, Sa Jinbo, Photinia, boxwood seeds etc ....