20% of the key technologies of the quality crab breeding value-added(Chinese Edition) - Tapa blanda

20% of the key technologies of the quality crab breeding value-added(Chinese Edition)

Librería:

liu xing
(Nanjing JiangSu, JS, China)

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Descripción paperback. Condición: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :2009-01-01 Publisher: China Three Gorges 0.35 contents Introduction agriculture. rural areas and farmers issues. relationships. social stability and economic development. relationship building a moderately prosperous society and the realization of the great strategic goal of building a new socialist countryside. The party and the government has always attached great importance to the three rural issues. In recent years. the CPC Central Committee consecutive issued Document No. 1. stressed solve the three rural issue is the extreme importance of farmers' income. Plenum shortly before closing again stressed the need to continue to solve the three rural issues as the top priority of the party's work. and do everything possible to increase farmers' income. The book is one of the farmers' income one hundred key technology books. including: the biological characteristics of the crab. crab utilization of natural resources. artificial breeding. farming environment optimization. Hope through learning book. enhance the quality of science and technology for rural workers. and farmers' income. agricultural efficiency. so that the majority of farmers rich as soon as possible. We sincerely hope to popularize agricultural science and technology can enhance the quality of science and technology for rural workers. grain production and farmers' income. agricultural efficiency. so that the majority of farmers rich as soon as possible. CONTENTS CHAPTER crab farming before contemplating a crab culture industry characteristics. crab farming value-added strategies biological characteristics of the second chapter crab. living habits. breeding three molting Chapter crab natural resources . Crab. crab fishing with quality to identify three. Crab transport the fourth chapter of the crab artificial propagation one artificial breeding of the reproductive characteristics of the crab. crab. crab artificial breeding methods display all the information online probation chapters crab farming before figuring a crab farming industry is characterized crab aquaculture is a high investment. high efficiency. high risk industry. its production processes. seed production. and supporting quality seed The problem is that the steady development of the bottleneck restricting crab farming. As technology advances. the very broad prospects for crab farming. (A) market demand. Selling pin stability in the famous special aquatic products. the crab is one of the most tight aquatic. sales. reasonable price. the market is relatively stable. Especially in recent years. breeders great importance to the establishment of high-quality crab brand. increase in the number of high-quality merchandise crab. not only at home but also in Japan. Southeast Asia and Hong Kong and Macao are in hot demand. A few years ago. crab production can not meet and adapt to the needs of the market at all levels. Although the country has more than 20 provinces. municipalities and the development of crab farming. but more than 70% year early fan seedlings develop commodity crab. specifications. usually in the 50 to 100 g / only. Therefore. about 50% of the total production from the current year the early reproducing seedlings develop goods crab production. does not comply with exports and large. in the city catering market and consumer needs. the price is only 30 to 50 yuan / kg. the impact of the market. once presented low-grade excess. Now. most farmers and consumers accept the concept of a good quality and inexpensive. is not on the market specifications of goods crab dwindling. 2. Not Yahuo crab Unlike other names special aquatic products. the natural life of the crab generally only 2 years (when mature only 1 year). Regardless of the year the production excess or not. are not pressure Tong. Yaku or hoarding. Goods crab to rely on when the market demand. production and supply. (B) restricting. Nº de ref. del artículo: FO066009

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