T/QHNX 031-2022 Active Group standards

T/QHNX 031-2022 Potato double-color film mulching cultivation technique specifications

Publish Date: 2022-07-15 Implement Date: 2022-08-15 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/QHNX 031-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Agriculture, forestry

ICS Name: Plant cultivation

Publish Date: 2022-07-15

Implement Date: 2022-08-15

Scope

Scope: This document specifies the yield indicators, pre-sowing preparation, film-covered sowing, field management, harvesting and storage, and residual film cleaning for potato cultivation with double-color plastic film covering technology. This document is applicable to potato production with double-color plastic film covering in arid regions; Main technical content: 5.3 Film selection: Select a double-color film with black-white-black three stripes, each strip width is 30.00 cm, total width is 90.00 cm, film thickness is 0.01 mm, and the film quality meets GB 13735. 5.4 Variety selection: Select high-yielding, disease-resistant, and high-quality main potato varieties, and the quality of seed potatoes meets GB 18133. 5.5 Seed potato processing 5.5.1 Sprout promotion: About 15 days before sowing, sun-dry and sprout the seed potatoes, and remove diseased and rotten potatoes. 5.5.2 Whole or cut seed potato sowing: For whole seed potato sowing, select young and strong potatoes with a single potato weight of 25.00 g to 50.00 g. Cut the seed potatoes into pieces with a size of 35.00 g to 40.00 g, and each piece should have 1 to 2 bud eyes. Use a 5% potassium permanganate solution or 75% alcohol to disinfect the cutting knife after 5 minutes of use or when cutting diseased and rotten potatoes. After cutting, mix the seed potatoes with a special biological seed dressing agent and let them dry. 5.6 Base fertilizer types 5.6.1 Organic fertilizer: Select commercial organic fertilizers that meet the requirements of NY/T 525, or select fully composted farmyard manure. 5.6.2 Formulated fertilizer: Select potato formulated fertilizer (N-P2O5-K2O=16-14-10), which meets the requirements of NY/T 1112.