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GB/T 45035-2024Technical requirements of cotton cultivation for concentrative maturation (English PDF)

棉花集中成熟栽培技术要求

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 28, 2024

Implementation date

June 1, 2025

Scope

GB/T 45035-2024 is the English-translated version of 棉花集中成熟栽培技术要求.

GB/T 45035-2024 is the Chinese national standard covering cotton grown so that the whole field opens its bolls within a short window and can be picked in one pass — the choice of variety by maturity, the planting system and the growth stages, the ground preparation and the sowing density, the chemical regulation including chemical topping, the water and fertiliser schedule, the pest and disease control, and the defoliation and ripening that precede a concentrated or mechanical harvest. It is written for large-scale, simplified and mechanised cotton growing in the Northwest Inland, Yellow River Basin and Yangtze River Basin cotton areas. First edition, under the Ministry of Agriculture and Rural Affairs. In force from 1 June 2025. Issued on 28 November 2024, it has been in force since 1 June 2025.

Document preview — GB/T 45035-2024

National Standard of the People's Republic of China

ICS
65.020.20
Classification
B 05

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 3.1 Cotton Maturity
  • 3.2
  • 3.3
  • 3.4 Chemical topping
  • 3.5

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document is proposed and coordinated by the Ministry of Agriculture and Rural Affairs of the People's Republic of China.

This document was drafted by: National Agricultural Technology Extension Service Center, Shandong Academy of Agricultural Sciences, Cotton Research Institute of Chinese Academy of Agricultural Sciences, Economic Crops Research Institute of Xinjiang Academy of Agricultural Sciences, Hebei Agricultural University, Shihezi University, Cotton Research Institute of Anhui Academy of Agricultural Sciences, Tarim University Hunan Biomechanical and Electrical Vocational and Technical College, Hunan Agricultural University, Hunan Cotton Association, China Agricultural University, Binzhou City, Shandong Province Nongxi Cotton Professional Cooperative, Hubei Yishizhuang Agricultural Technology Co., Ltd., Xinjiang Uygur Autonomous Region Agricultural Technology Extension Center, China Agricultural Western Agricultural Research Center of the Academy of Sciences, Xinjiang Agricultural University, Xinjiang Bortala Agricultural Technology Extension Center, Xinjiang Bayingolin Mongol Autonomous Prefecture Inspection Center Testing Center, Shandong Agricultural Engineering College.

The main drafters of this document are: Chen Changbing, Dong Hezhong, Zhang Yanjun, Song Guoli, Tang Song, Dai Jianlong, Tian Liwen, Li Cundong, Zhou Yang, Zheng Shufeng, Zhang Wangfeng, Wu Bibo, Zhou Zhonghua, Wu Ruoyun, Du Mingwei, Tian Xiaoli, Wang Jianjun, Liu Derui, Wan Sumei, Nie Junjun, Tang Qiuxiang, Wang Zhanbiao, Zhang Zhe, Jiang Jingyi, Wang Shuai, Yu Hongbin, Yan Xia, Hong Mei, Xiao Chunyan, Zhang Hengheng, Hainar Maodireheman, Ma Chunmei, Li Junhong, Fan Aqi, Zhang Leilei, Chen Jinrui, Ma Zhihua, Lu Weidong, Zhang Dongmei, Cui Zhengpeng, Wei Hengling, Chi Baojie, Wang Junduo.

Technical requirements for concentrated mature cotton cultivation

1 Scope

This document stipulates the selection of varieties, planting system, growth process, preparation for planting, sowing, chemical regulation, water and fertilizer transportation for concentrated mature cotton cultivation.

Planning, pest and disease control, defoliation and ripening, centralized or mechanical harvesting requirements.

This document applies to the large-scale, simplified and mechanized production of cotton in the cotton-growing areas of the Northwest Inland, the Yellow River Basin and the Yangtze River Basin.

2 Normative references

GB 4407.1

NY/T 1276

NY/T 3682

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Cotton Maturity

It is expressed by the growth period from sowing seedlings to boll opening or the whole growth period from sowing seedlings to harvesting, which characterizes the growth and development speed of cotton varieties and The characteristics of early or late maturity.

3.2

The entire cotton field is concentrated in a relatively short period of time to complete the boll opening.

3.3

Use cotton varieties with suitable maturity, sow at the right time, plant at a reasonable density, chemical regulation, water and fertilizer management, timely topping (capping), defoliation and ripening And other measures are taken to achieve the cultivation and management methods for optimizing cotton boll formation and concentrated maturity.

3.4 Chemical topping

The method of using plant growth regulators in conjunction with water and fertilizer management and other measures to control apical dominance and achieve self-topping of cotton.

3.5

The sowing density of the single seed hole-sowing cotton field is calculated according to the predetermined plant spacing and row spacing or the number of sowing holes per unit area, and further calculated according to the seed germination rate.

The cotton seedling density was calculated based on the rate.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

NY/T 1276 · NY/T 3682

Editions of GB/T 45035

EditionTitleRevisionStatus
GB/T 45035-2024Technical requirements of cotton cultivation for concentrative maturationcurrent editionCurrent

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