T/ZHDZ 010-2022 Active Group standards

T/ZHDZ 010-2022 Jianhua Winter Jujube Spring Management Technical Regulations

T/ZHDZ 010-2022

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

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Basic Information

Standard Code: T/ZHDZ 010-2022

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

Scope: This standard specifies the relevant content of spring management for Zhenhua winter jujube, including spring fertilization, shaping and pruning, jujube orchard cleaning, repairing wound mouths, loosening soil and preserving moisture, and drug protection, etc. Main technical content: 3.1 Spring fertilization 3.1.1 Type of fertilizer: Nitrogen-phosphorus-potassium compound fertilizer, which shall comply with GB 15063; nitrogen-phosphorus-potassium compound fertilizer, medium and micro fertilizer (containing organic calcium, boron, silicon, magnesium, zinc, etc.), and homemade organic soil-microbial fertilizer. These three types of fertilizers must be used in combination, and none of them can be omitted. 3.1.2 Method of fertilization: Radial or strip-shaped digging and deep application of fertilizer. 3.1.3 Amount of fertilization: Spring and summer fertilization shall be applied with 40% of the total annual fertilization amount, i.e., 45 kg of nitrogen-phosphorus-potassium compound fertilizer + 25 kg of medium and micro fertilizer. 3.1.4 Promote the use of bio-organic microbial fertilizer. Bio-organic microbial fertilizer has the characteristics of high fertilizer efficiency, rapid absorption, and inhibition of soil-borne diseases, which can increase yield and quality and enhance the resistance of winter jujube trees. 3.2 Shaping and pruning Through shaping and pruning, a reasonable tree structure can be achieved. According to the growth characteristics of winter jujube and its light requirements, the maximum possible use of space and light energy should be made while ensuring sufficient light conditions. Recommended tree shapes: small crown sparse layer shape or open heart shape. 3.3 Cleaning the jujube orchard Cleaning the jujube orchard is an important part of winter jujube tree management. It can greatly reduce the number of pests and diseases and reduce the occurrence of pests and diseases, which is of great importance for the healthy cultivation of win