T/GZAAV 002-2020 Crop rotation technique specification for ensiling corn and Phytolacca acinosa var. pubescens
T/GZAAV 002-2020 Crop rotation technique specification for ensiling corn and Phytolacca acinosa var. pubescens
Basic Information
Scope
Scope: This document specifies the production environment, variety selection, planting, field management, and harvesting time and techniques for the rotation of silage corn + Liaohuazihua taro in southwest China, at altitudes of 600m to 2800m. This document is applicable to the rotation production of silage corn + Liaohuazihua taro in areas of southwest China with altitudes ranging from 600m to 2800m. Main technical content: 4. Silage corn cultivation 4.1 Tillage shall be carried out in accordance with NY/T 1342. 4.2 Apply base fertilizer: Apply 1500kg of composted farmyard manure or 50kg of compound fertilizer per mu, and spread it before plowing the land. 4.3 Variety selection: Select silage-specific corn varieties suitable for local climate conditions, and ensure that the seed quality meets the requirements of GB/T 3543.5. 4.4 Sowing 4.4.1 Sowing time: Mid-March to mid-April (when the temperature is stable above 10°C). 4.4.2 Sowing amount: 2.0-3.0kg/mu. 4.4.3 Sowing method: Row sowing with a row spacing of 60cm and a planting spacing of 20cm. First, dig trenches with a spacing of 60cm and a depth of 10cm, then plant the seeds at a spacing of 20cm, with two seeds per point. After sowing, cover the soil with a layer of 3cm thick. 4.5 Management 4.5.1 Supplementary sowing: Check the seedling emergence within 5-10 days after sowing and replant the seedlings in time if necessary. 4.5.2 Thinning: Thin the seedlings to a density of no less than 5,000 plants/mu when they reach 4-5 leaves. 4.5.3 Fertilization: Apply urea according to the plant growth needs. 4.5.4 Weeding: Remove weeds manually at the 6th-7th leaf stage or use nationally approved corn herbicides. 4.5.5 Pest and disease control: Refer to the "Technical Regulations for Comprehensive Prevention and Control of Major Pests and Diseases in Corn" (DB62T 4180-2020) for prevention and control. 5. Liaohuazihua taro rotation production 5.1 Sowing 5.1.1 Sowing time: Sow from mid-July to mid-August, i.e., when the s