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How to prevent and control pests and diseases during the rice seedling-raising period
During the rice seedling-raising stage, phenomena such as stunted rooting, yellowing, and stalled growth are prone to occur. For fields where stunted rooting has already occurred, drainage should be carried out immediately to increase temperature and aeration and reduce toxicity, and at the same time quick-acting nitrogen, phosphorus, and potassium fertilizers should be applied, along with supplementary micro-fertilizers, with zinc fertilizer being the key; where deficiency symptoms are present, the corresponding deficient nutrient fertilizer should be applied promptly. Withdraw the water and sun the field, or use circuitous...
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Operating and Maintenance Methods for Rice Seedling-Raising Greenhouse Seedbeds
The rice seedling-raising seedbed greenhouse is mainly composed of a greenhouse frame, light-transmitting covering materials (including plastic film, plastic panels, PC boards, etc.), several individual seedbeds and a spray irrigation system. This device features a compact structure, high land utilization rate and convenient operation. Operating methods 1. Before installation, the site must be leveled...
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Key Technical Points for Raising Seedlings of Pumpkin in Solar Greenhouses with Vertical Trellis Cultivation for the Winter-Spring Crop
①Determining the sowing date The sowing date is mainly determined by the heat retention of the solar greenhouse. A solar greenhouse with good light transmission and good heat retention can be sown and raised as seedlings in late November. The melons are harvested in mid-March of the following year. Otherwise, the sowing date can be postponed to January of the following year. With the above-mentioned solar greenhouse, sowing and seedling raising are generally carried out from late December to early January of the following year...
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Detailed Explanation of Key Techniques for Raising Seedlings and Transplanting Spring Corn
The spring corn sowing period is approaching, and in production, work on raising seedlings and transplanting should be done well to promote early and steady growth of corn and achieve high and stable yields. For plots selecting improved varieties to harvest tender corn cobs, it is advisable to choose varieties with good quality such as the Jiangnan Huanuo and Suyunuo series; for plots harvesting corn grain, it is advisable to choose high-yielding varieties such as Zhengyu...
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Detailed Explanation of Bitter Melon Seedling Raising Methods and Technical Points
How are bitter melon seedlings raised? Seeking advice. The seed coat of bitter melon is thick and hard. If the seeds are sown directly into the field, water cannot easily penetrate inside, germination is slow, seedlings emerge unevenly, and the rate of missing seedlings is relatively high. Therefore, seeds should be soaked and sprouted before sowing. (1) Sprouting method: first place the seeds in warm water at about 55...
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Detailed Explanation of Kiwifruit Seedling Raising Methods and Technical Points
How should kiwifruit be propagated? Here is an introduction to growing kiwifruit seedlings from seed: Collect seeds from fully ripe fruit of robust mother trees; once the fruit softens, separate the seeds from the flesh, wash them, and dry them in the shade for later use. Seed treatment: 40 days before sowing, soak the shade-dried seeds in 45°C warm water for a full day and night. Place wet sand at the bottom of a flower pot...
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Detailed Explanation of Cotton Connected Seedling Raising and Seedling Separation Transplanting Technology
Connected seedling raising and seedling separation transplanting is a completely new cotton cultivation model. Each cultivation technique step in this model is closely linked and inseparable. During implementation, every step must be closely connected to bring its systemic effects into play. The four major steps are described below: (1) Lightweight seedling raising. In connected seedling raising and seedling separation transplanting,...
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Key Technical Points for Dry Seedbed Raising of Rice Seedlings in Plug Trays under Large and Medium-Sized Plastic Tunnels
(1) Seed selection. Choose varieties of superior quality, high yield, disease resistance and medium-to-upper tillering capacity that tend toward the heavy-panicle type. In the first accumulated temperature zone, represented by Wuchang and Tailai, suitable main varieties include Wuyoudao No. 1, Songjing No. 2, Tengxi 140, Wudao No. 3 and Mudanjiang 19; in the second accumulated temperature zone, represented by Ning'an, Fangzheng, Yanshou, Huachuan and Suihua...
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