LY/T 1497-2025 English PDFLY/T 1497: Historical versions
Basic dataStandard ID: LY/T 1497-2025 (LY/T1497-2025)Description (Translated English): Chinese jujube Sector / Industry: Forestry Industry Standard (Recommended) Classification of Chinese Standard: B31 Classification of International Standard: 67.080.10 Date of Issue: 2025-07-21 Date of Implementation: 2025-11-01 Older Standard (superseded by this standard): LY/T 1920-2010 LY/T 1497-2017 LY/T 1780-2018 LY/T 2535-2015 LY/T 2825-2017 Issuing agency(ies): National Forestry and Grassland Administration LY/T 1497-2017: Technical regulations on high-quality and high-yield cultivation of Chinese jujube---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. (Technical specification for quality and high yield of jujube) ICS 65.020.40 B05 People's Republic of China Forestry Industry Standard Replacing LY/T 1497-1999 Jujube high-quality and high-yield cultivation technical regulations ofChinesejujube Published on.2017-06-05 2017-09-01 implementation State Forestry Administration released ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces LY/T 1497-1999 "Jujube High Yield Forest". Compared with LY/T 1497-1999, except for editorial modifications The changes are as follows. --- Increased jujube and characteristic terminology; --- Revised production, quality and safety indicators; --- Improve the technology of nursery, jujube construction and cultivation management; --- Strengthened food safety and quality indicators. This standard is proposed and managed by the State Forestry Administration. This standard was drafted. Hebei Agricultural University. The main drafters of this standard. Liu Mengjun, Liu Zhiguo, Liu Ping, Wang Yurui, Li Xiansong, Dai Li, Zhao Zhihui, Zhao Jin, HD Moon, Li Kaisen, New house. The previous versions of the standards replaced by this standard are published. ---ZBB64008-1988; LY/T 1497-1999. Jujube high-quality and high-yield cultivation technical regulations1 ScopeThis standard stipulates the terminology and definition of high-quality and high-yield cultivation of jujube, indicator system and testing method, seedling raising, jujube garden construction, cultivation management techniques Surgery, fruit harvesting, file management. This standard applies to jujube cultivation.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For the undated references, the latest edition (including all amendments) applies to this document. GB 2772 forest seed inspection procedures GB/T 5835 dried red dates GB/T 8855 Fresh fruit and vegetable sampling method NY/T 391-2013 Environmental Quality of Green Food Producing Area NY/T 393 Guidelines for the Use of Green Food Pesticides NY/T 394 Guidelines for the Use of Green Food Fertilizers NY/T 844 Green Food Temperate Fruit Fruits and vegetables - Determination of soluble solid content - Refractometer method3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 Date head extensionshoot The developmental branches formed by the germination of the main buds are the main branches forming the tree skeleton and the resulting branch group. a complete jujube head by one branch, two Four kinds of branches, such as secondary branches, jujubes and jujube hanging, and two types of buds, main bud and secondary bud. 3.2 Primary branch primaryshoot The permanent branch formed by the main bud on the jujube head is located in the center of the jujube head and is the branch of the secondary branch. 3.3 Secondary branch secondaryshoot The permanent branch formed by the secondary bud on the jujube head is the main branch of the jujube stock, also known as the result base. 3.4 Jujube stock motherbearingshoot The resulting mother shoots, which are formed by the germination of the main buds, are mainly born on secondary branches of 2 years old or older, and the annual growth is only 0.1cm~0.2cm. 3.5 Date hanging bearingshoot The result branches formed by the germination of the secondary buds, most of which fall off naturally after autumn, also known as shedding branches. 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