GB/T 34967-2017 English PDFUS$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 34967-2017: Grade of rice cold damage in northern China Status: Valid
Basic dataStandard ID: GB/T 34967-2017 (GB/T34967-2017)Description (Translated English): Grade of rice cold damage in northern China Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B18 Classification of International Standard: 07.060 Word Count Estimation: 10,146 Date of Issue: 2017-11-01 Date of Implementation: 2017-11-01 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China GB/T 34967-2017: Grade of rice cold damage in northern China---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.Grade of rice cold damage in northern China ICS 07.060 B18 National Standards of People's Republic of China North rice chilling injury level Posted.2017-11-01 2017-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Terms and definitions 1 3 chilling injury classification 2 4 delayed-type low-temperature chilly weather meteorological indicators 2 5 hurricane level chilly weather meteorological indicators 3 Appendix A (informative) north of the main growth stages of rice required ≥ 10 ℃ active accumulated temperature 4 Reference 5 ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Meteorological Administration. This standard by the National Agricultural Meteorology Standardization Technical Committee (SAC/TC539) centralized. This standard was drafted unit. Meteorological Station of Jilin Province, Meteorological Institute of Ningxia Hui Autonomous Region, Institute of Meteorology, Jilin Province, Inner Mongolia Ecology and Agrometeorology Center, Heilongjiang Institute of Meteorology, Shenyang Institute of Atmospheric Environment, China Meteorological Administration. The main drafters of this standard. Ma Shuqing, Malvin, hit Zhu Xiang, Wang Qi, Li Xiufen, Chen Suhua, Ji Lingling, Zhang Shujie, Liu Jing, Jiang Lixia, Lin Peas. North rice chilling injury level1 ScopeThis standard specifies the level of north China rice cold damage and weather indicators. This standard applies to China's northern season of japonica rice (mainly including the northeast, northwestern North China and northern North China) rice low Temperature monitoring, forecasting and assessment work.2 Terms and definitionsThe following terms and definitions apply to this document. 2.1 May-September temperature anomaliesoftemperaturein5-9month May-September monthly average temperature of the sum of the average value. 2.2 ≥10 ℃ active difference between the difference ofaccumulatedtemperatureabove10 ℃ The difference between the active accumulated temperature of ≥10 ℃ and the accumulated accumulated temperature of ≥10 ℃ during the same period of rice growth in a certain stage of rice growth. 2.3 Delayed hypothermic cold delayed rice delayedgrowth-typericecolddamage Due to a long time low temperature, resulting in delayed rice growth, effective tillering, grain weight decreased, or lead to rice can not be normal maturity, yield reduction Agricultural natural disasters. 2.4 Rice-type cryopreservation cold-typericecolddamage Rice booting and flowering encountered short-term strong cold weather process, inhibit rice reproductive growth activities, resulting in obstruction of pollen development, Poor fertilization, decreased seed setting, and agricultural natural disasters that cause reduced production. Note. The chilling injury that occurs during the booting and flowering stages in rice is called the chilling injury at the booting stage and the flowering stage. 2.5 Late maturity areaoflate-maturingvariety Suitable for the cultivation of late rice varieties in the region, the frost-free period of 141d or more, 80% guarantee rate ≥ 10 ℃ active accumulated temperature 2850 ℃ · d the above. 2.6 The maturity areaofmiddle-maturingvariety Suitable for planting paddy region (including late-maturing) varieties of the region, the frost-free period of 126d ~ 140d, 80% guarantee rate ≥ 10 ℃ activity The temperature is 2400 ℃ · d ~ 2850 ℃ · d. 2.7 Early maturity areaofearly-maturingvariety Suitable areas for planting precocious rice varieties, the frost-free period of 110d ~ 125d, 80% guarantee rate of ≥ 10 ℃ active accumulated temperature 1800 ℃ · d ~ 2400 ℃ · d. 2.8 Safeevenheadingstage safe and full heading The threshold of universal heading to ensure complete maturity of rice prior to early frost will vary with the variety and region of the variety. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 34967-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 34967-2017_English as soon as possible, and keep you informed of the progress. 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