LY/T 1337-1999Technical regulation for high quality and high yield cultivation of Castanea mollissima Blume (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces LY/T 1337-1999 "Chestnut High Yield Forest", compared with LY/T 1337-1999, except for editorial modification the changes are as follows.

--- Removed the theme and scope of application, production area division, high-yield forest construction, low-yield tree height exchange and other content;

--- Added "scope", "normative reference documents", "chestnut cultivation area", "high-quality and high-yield technical indicators", "planting area selection", "variety selection Select ""breeding", "planting", "grafting and seeding", and amending Appendix A, "Main Chestnut Varieties", Appendix B, "Main Chestnut Diseases", Attachment Record C "main chestnut pests" and other content;

--- Completely revised the Lishi high-yield indicators, high-yield technical measures and other content.

This standard is proposed and managed by the State Forestry Administration.

This standard was drafted. Beijing Academy of Agriculture and Forestry, Hebei Academy of Agriculture and Forestry, Changli Fruit Research Institute, Shandong Institute of Fruit Research, Dan Dongshan Forestry Science Research Institute, Northwest A&F University, Hubei Academy of Agricultural Sciences, Fruit Tree Tea Research Institute, Chinese Academy of Forestry Tropical Forestry Research Institute, Southwest Forestry University, Hebei Science and Technology Teachers College.

1 Scope

This standard specifies the chestnut cultivation area, high-quality and high-yield technical indicators, planting area selection, variety selection, improved breeding, planting, plastic pruning, Technical requirements for grafting, soil and fertilizer management, integrated pest management, harvesting, storage, etc.

This standard applies to China's chestnut (Castaneamollissima Blume) and Dandong chestnut (Castaneacrenata Sieb.etZucc.) Cultivation.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this standard.

quasi. For undated references, the latest edition (including all amendments) applies to this document.

GB 6000 Main afforestation tree seedling quality grading GB 7908 forest tree seed quality classification GB/T 8321 rational use guidelines for pesticides GB/T 15776 Afforestation Technical Regulations GB/T 18407.2 Agricultural product safety quality Environmental requirements for pollution-free fruit producing areas GB/T 22346 chestnut quality grade GB/T 23473 Phytosanitary regulations for the transportation and transportation of forestry plants and their products Technical regulations for the construction of LY/T 1557 special economic forest base LY/T 1674 Chestnut Storage and Preservation Technology Regulations

3 Cultivation area

The natural distribution limit of chestnut is. 18°30'N~40°26'N, 99°E~124°E. Combine the geographical distribution, cultivation conditions and products of chestnut the species group and nut economic traits divide the national chestnut distribution into six cultivation areas.