T/QNY 003-2018 Active Group standards

T/QNY 003-2018 The production technical specifications for Qidong Xiangsha yam

Publish Date: 2018-10-29 Implement Date: 2019-01-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/QNY 003-2018

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Fruit and vegetable cultivation and products

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2018-10-29

Implement Date: 2019-01-28

Scope

Scope: This standard specifies the normative reference documents, terms and definitions, and cultivation techniques for Xingdong Xiangsha Yao (a type of taro) in Jiangsu Province. This standard applies to Xingdong Xiangsha Yao cultivation areas in Nantong and similar ecological regions. Main technical content: 3.1 Xingdong Xiangsha Yao is a multi-seeded taro species in the Dioscoreaceae family. It is a perennial monocotyledonous herb, a short-day photoperiod crop, and is primarily cultivated in Xingdong, Jiangsu as an excellent local variety. In this region, it is typically grown as an annual crop. The edible part of Xingdong Xiangsha Yao is the tuber, which has a good texture, is crispy and sweet without being greasy, with a pleasant aroma, hence its name. It is highly favored by consumers. Its large leaves and leaf stems are excellent fodder and have medicinal effects such as dispelling nodules. 4. Site selection: The soil should be fertile, with convenient irrigation and drainage. Preferably, sandy loam or light loam with a thick layer and good permeability, with a pH value of 7–8.2. The site environment quality must meet the requirements of GB/T 18407.1. 5. Crop rotation: - Previous crops: Autumn/winter vegetables. Sow Xingdong Xiangsha Yao after harvesting in March, either as a pure crop or in combination with green peas, potatoes, lettuce, etc. Avoid continuous cropping and practice crop rotation. - Yield target: - Pure crop: 1,500 kg/mu. - Intercropping: 1,000 kg/mu. - Yield structure: - Pure crop: 2,300–2,700 plants/mu, with an average single plant weight of 0.56–0.65 kg. - Intercropping: 1,500 plants/mu, with an average single plant weight of 0.67 kg. 7. Cultivation techniques: 7.1 Sowing period: Taro seedlings begin to germinate at 12 °C. For open-field cultivation, sowing occurs from late March to early April. For mulched cultivation, sowing can begin in early March. 7.2 Seed quality: Seeds (seedlings) must meet the r