沙枣(大、小沙枣),其适应性强,是我区四旁绿化、防护林、薪炭林、经济林、畜牧林树种之一,亦是我区用种及区内外交换种子中用量最大的树种。 当前各地全面落实生产经济责任制,种子、苗木、技术、经济挂钩,种子品质关系着苗木生产的成败、承包者的经济利益和技术名誉。为保证和提高种子质量,林木种子必须经过检验,否则不能收、贮、调、播。但 It is one of the tree species of greening, shelterbelts, firewood forests, economic forests and animal husbandry forests on the four sides of the district. It is also one of the most widely used species in our region and in the exchange of seeds both inside and outside the region . At present, all localities have fully implemented the responsibility system for production economy and the seed, seedling, technology and economy are linked to each other. The quality of the seed is related to the success or failure of seedling production, the economic interests and the technical reputation of the contractor. To ensure and improve the quality of seeds, tree seeds must be tested, or can not receive, storage, transfer, sowing. but