T/ZHDZ 001-2022 Active Group standards

T/ZHDZ 001-2022 "Zhandong 2" is a Chinese name for a winter variety of rice

Publish Date: 2022-06-16 Implement Date: 2022-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/ZHDZ 001-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2022-06-16

Implement Date: 2022-07-01

Scope

Main Technical Content: This standard specifies the environmental conditions of the production area and the technical requirements of each production link for Zhen Dong No. 2, including natural environment, fruit and fruit tree characteristics, seedling propagation, cultivation techniques, soil and fertilizer management, water management, shaping and pruning, flower and fruit preservation, pest and disease control, harvest, and quality grading. 4.1 Natural Environment 4.1.1 Average annual sunshine duration: 2,627.3 hours; average annual sunshine percentage: 61%; average total solar radiation: 5.29×105 J/cm2; average physiological radiation: 2.65×105 J/cm2. 4.1.2 Average annual temperature: 12.5°C; average frost-free period: 203 days. 4.1.3 Soil: The soil is from the alluvial plain of the Yellow River, with a thick layer and high nutrient content. The organic matter content ranges from 7.55 g/kg to 12.75 g/kg, with an average of 10.25 g/kg; total nitrogen content: 0.461 g/kg to 0.815 g/kg, with an average of 0.668 g/kg; total phosphorus: 1.123 g/kg to 1.449 g/kg, with an average of 1.298 g/kg; available phosphorus: 29.04 mg/kg to 53.89 mg/kg, with an average of 38.74 mg/kg; available potassium: 137.18 mg/kg to 263.71 mg/kg, with an average of 185.22 mg/kg; and soil pH value: 7.2–7.8, indicating neutral to slightly alkaline. 4.2 Characteristics 4.2.1 Fruit characteristics: The fruit is nearly round or oval, with a concave top, large top and bottom pits, and flat shoulders. The fruit stem is long, and the fruit spots are medium-sized, round, and pronounced. The fruit surface is smooth, with a thin reddish-brown skin and a glossy appearance. The flesh is greenish-white, crispy, and juicy, with a high sugar content and various nutrients, including vitamins. The average single fruit weight is 14.6 g, and the maximum single fruit weight is 37.5 g. The fruit core is flattened and oval, with a light brown color. 4.2.2 Tree characteristics: a) Tree structure: