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GB/T 42828.2-2023: General technology for saline-alkali land improvement - Part 2: Integrated paddy-pond agri-aquaculture technology
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GB/T 42828.2-2023: General technology for saline-alkali land improvement - Part 2: Integrated paddy-pond agri-aquaculture technology

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ICS 65.080 CCSB10;B50 National Standards of People's Republic of China General technology for improvement of saline-alkali land Part 2.Improvement of rice fields, ponds, fisheries and agriculture Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is Part 2 of GB/T 42828 "General Technology for Improvement of Saline-alkali Lands". GB/T 42828 has released the following parts. ---Part 1.Iron tailings improvement; ---Part 2.Improvement of rice fields, ponds, fisheries and agriculture; ---Part 3.Biological improvement. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee on Fertilizers and Soil Conditioners (SAC/TC105). This document was drafted by. East China Sea Fisheries Research Institute of the Chinese Academy of Fishery Sciences, Shanghai Institute of Chemical Industry Environmental Engineering Co., Ltd., Shandong University, Ansteel Group Mining Co., Ltd., Zhejiang Academy of Agricultural Sciences, China Agricultural University, Shandong Huiyang Testing Co., Ltd. The main drafters of this document. Mo Zongli, Lai Qifang, Sun Zhen, Zhang Changbo, Cui Zhaojie, Li Pinfang, Fu Guohui, Sun Caixia, Gao Pengcheng, Zhou Kai, Wang Hui, Yang Guilan, Liu Yimeng, Li Yan, Liu Wei, Chen Lu, Li Wei, Qi Liwei, Liu Yuhong, Zhang Hongying.

Introduction

According to the requirements of the "National High-Standard Farmland Construction Plan (2021-2030)", in order to promote the technical experience of improving my country's saline-alkali land, we have Finalize this document. Improving saline-alkali land is of great significance to ensuring national food security and protecting the ecological environment. In order to solve the problem that a single technology is difficult to satisfy the salt To solve the problem of demand for improving saline-alkali land, my country has developed three key technologies. iron tailings improvement, fishery-agriculture coupling, and biological improvement to improve saline-alkali land. Long-term effectiveness and high efficiency, thereby promoting efficient and high-value utilization of improved saline-alkali land. GB/T 42828 aims to provide relevant parties with three types of salts The requirements and effect evaluation methods of alkaline land improvement technology are planned to be composed of three parts. ---Part 1.Iron tailings improvement. The purpose is to use iron tailings from stable sources and safe quality as saline-alkali soil improvement materials and standardize iron tailings. Sand improvement technology not only achieves large-scale and standardized improvement of saline-alkali land, but also ensures soil environmental quality and food security, and promotes Promote sustainable development of agriculture. ---Part 2.Improvement of rice fields, ponds, fisheries and agriculture. The purpose is to provide solutions for saline-alkali land improvement using the saline-alkali land rice field, pond, fishery and agriculture model. Provide technical guidance and improvement effect evaluation basis, solve the problem of the outlet of salt washing and alkaline water discharge during the treatment of saline-alkali land, and achieve ecological benefits. It can achieve win-win benefits and economic benefits, and promote the comprehensive utilization and sustainable development of saline-alkali land. ---Part 3.Biological improvement. The purpose is to use biological resources such as microbial fertilizers, organic fertilizers and straw, as well as to plant green manure and resistant crops. The saline-alkali land improvement carried out by biotechnology such as halophytes provides technical guidance and improvement effect evaluation basis, protects land resources, increases economic benefits and promote the comprehensive utilization and sustainable development of saline-alkali land. General technology for improvement of saline-alkali land Part 2.Improvement of rice fields, ponds, fisheries and agriculture

1 Scope

This document defines the terms and definitions of the technology for improving saline-alkali land by fishermen and farmers in rice fields, ponds, and stipulates the technology for improving saline-alkali soil by fishermen and farmers in rice fields, ponds, and ponds. environmental conditions, technical requirements and effect evaluation. This document is applicable to the improvement of saline-alkali land using the rice field, pond, fishery and agriculture model.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB 5084 farmland irrigation water quality standards GB 50288 Irrigation and drainage engineering design standards SC/T 6048 Freshwater aquaculture pond facility requirements SC/T 9406 Water quality for aquaculture in saline-alkali lands SL/T 4 Technical specifications for farmland drainage engineering SL56-2013 Rural Water Conservancy Technical Terminology

3 Terms and definitions

The terms and definitions defined in SL56-2013 and below apply to this document. 3.1 saline-alkaliland salinized land Land that contains too much soluble salt in the soil so that non-salt tolerant plants cannot grow normally. 3.2 Saline-alkali land rice field pond fishery and farming model integratedpaddy-pondagri-aquacultureonsaline-alkaliland The saline-alkali rice field leaching improvement project and the pond construction project are organically connected. The saline-alkali water produced by the leaching project is collected in a directional manner and used as Improvement model for fishery water use to prevent secondary salinization of soil or impact on downstream water bodies. 3.3 saline-alkaliwater Low-lying saline-alkali land infiltration water, underground shallow water, and salt-washing and alkali-discharging water generated during saline-alkali land treatment. 3.4 douqu lateralcanal A channel that diverts water from branch canals to agricultural canals. [Source. SL56-2013,4.5.1.4] ...