GB/T 37088-2018 English PDF

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GB/T 37088-2018: Technical guide of once fertilization of maize
Status: Valid

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Basic data

Standard ID: GB/T 37088-2018 (GB/T37088-2018)
Description (Translated English): Technical guide of once fertilization of maize
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G20
Classification of International Standard: 65.080
Word Count Estimation: 10,119
Date of Issue: 2018-12-28
Date of Implementation: 2019-07-01
Regulation (derived from): National Standard Announcement No. 17 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37088-2018: Technical guide of once fertilization of maize

---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.
Technial guide of once fertilization of maize ICS 65.080 G20 National Standards of People's Republic of China Corn Single Fertilization Technical Guide Published on.2018-12-28 2019-07-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Fertilizer and Soil Conditioning Standardization Technical Committee (SAC/TC105). This standard was drafted. Dezhou Product Inspection and Testing Institute, Dezhou Agricultural Science Research Institute, Crop Science of Chinese Academy of Agricultural Sciences Institute, Agricultural Resources and Agricultural Division Research Institute of the Chinese Academy of Agricultural Sciences, Shandong Hualu Hengsheng Chemical Co., Ltd. The main drafters of this standard. Cui Fuzhou, Zhang Shuliang, Su Laihuan, Liu Caiyun, Zheng Chengyan, Yuan Liang, Liu Zongfa, Yan Tongmin, Zhu Jinying, Yu Jie, Cui Mingyu, Han Xilong.

Introduction

Corn is China's largest food crop, and high yield and stable yield of corn is essential to ensure China's food production. With the scale of corn production The expansion of chemicalization and the continuous improvement of mechanization require the standardization and light reduction of corn production. At the same time, there is fertilization in China's corn production. Non-standard, excessive application, serious nutrient loss, and non-point source pollution also require the scientific and standardized corn fertilization. To achieve China's jade This standard is specially formulated for the production of precision fertilization, standardized fertilization, cost-effectiveness and environmental friendliness. Corn Single Fertilization Technical Guide

1 Scope

This standard gives the fertilizer type, nutrient application rate and proportion, fertilizer nutrient release period, fertilization time, Technical guidelines for fertilization depth, spacing of seed fertilizers, and associated agricultural machinery operations. This standard applies to the main corn producing areas of the country, and other corn growing areas can be used as a reference. This standard does not apply to sandy soils and other soils with poor water retention and fertilizer retention.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 4404.1 Grain crop seeds - Part 1. Cereals GB/T 5668 Rotary tiller NY/T 500 straw crushing and returning machine operation quality NY/T 1628 corn no-till seed drill operation quality

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Corn disposable fertilization technology oncefertilizationtechnicalofmaize Select the appropriate fertilizer, use the same fertilizer and sowing (3.2), one fertilization to provide the nutrients needed for the whole growth period, no longer topdressing, Efficient and stable fertilization technology when it comes to saving labor and time. 3.2 Fertilizer simulating synchronizedseedingandfertilization When the crop is planted, the seed and fertilizer are used safely and effectively by setting the appropriate seed and fertilizer distance. Techniques for planting soil. 3.3 Slow controlled release fertilizer slowandcontroledreleasefertilizer Through the chemical compounding or physical action of nutrients, the effective nutrients of the crop can be slowly released over time or over time. The chemical fertilizer released by the nutrient can be controlled according to the set release rate (%) and release period (d). Note. Rewrite GB/T 23348-2009, definition 3.1 and HG/T 4215-2011, definition 3.1. 3.4 Sulfur-coated ureasulfurcoatedurea; SCU A coated slow release fertilizer made from sulfur-coated granular urea. [GB/T 29401-2012, definition 3.1] 3.5 Stabilized fertilizer stabilizedfertilizer After a certain process, urease inhibitors and/or nitrification inhibitors are added, and after being applied to the soil, urea hydrolysis can be inhibited by urease inhibitors. ......

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