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Detailed Explanation of Key Techniques for Raising Rice Seedlings for Mechanized Transplanting
Mechanized rice transplanting is one of the most direct and efficient light and simple cultivation methods. In recent years, the technology of mechanized rice transplanting has matured through wider promotion and application, and seedling raising technology is one of the key techniques for machine transplanting. The following technical measures are provided for reference. 1. Requirements of the transplanter for seedlings: walking-type or high-speed ride-on...
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Detailed Explanation and Key Operation Points of Dry Rice Seedling Cultivation
According to surveys in recent years, most rice seedlings are raised in paddy fields; under year-round waterlogged conditions, paddy fields have poor aeration and cold, poorly aerated soil, which is not conducive to raising strong seedlings, and after transplanting the seedlings become stunted and develop late. Dry seedling cultivation is the raising of rice seedlings under dryland conditions; dryland soil is rich in oxygen, and water, air, and nutrients are easily coordinated, which...
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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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How to fertilize rice seedlings during Awakening of Insects
"Thunder rumbles in spring, and all things grow." Since ancient times, our country has attached great importance to the Awakening of Insects solar term, and many farming activities begin from this point, with the most important farming activity being none other than "sowing seeds and raising seedlings." The Awakening of Insects period marks the season for rice seedling cultivation. As the saying goes, "Good seedlings make half the crop." To achieve high rice yields, the first step is to cultivate enough...
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Detailed Explanation of Key Cultivation Techniques for Spring Maize and Late Rice
1. Deep planting of milk-stage seedlings, dry management to promote root growth and preserve seedlings. The techniques of raising seedlings in fertilizer balls and soft trays must be implemented, and the technique of deep planting of milk-stage seedlings must be carried out well. According to research, transplanting milk-stage seedlings has the advantages of early vigor and strong seedlings, strong dry matter accumulation capacity, sturdy plants, well-developed root systems, large and numerous ears with heavy grains, and low empty-stalk rate; its early-maturing and high-yielding growth advantage is 6 days earlier than production cultivation, and the seedling recovery period...
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Methods and Key Technical Points for Topdressing Potassium Fertilizer on Rice
Topdressing potassium fertilizer on rice can achieve a significant yield increase. Sufficient potassium is beneficial for enhancing photosynthesis, promoting the synthesis and accumulation of sugars, and improving plant resistance. It can also enhance the respiratory capacity of the rice root system, promote the absorption of nitrogen and the synthesis of proteins, making the rice grains large and plump, with high and stable yields.
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Correct Methods and Operating Steps for Disinfecting Rice Seeds
Rice seedling raising is about to begin, and seed disinfection is the key to raising seedlings. Here are 10 seed disinfection methods. 1. Soak rice seeds in a 500-fold dilution of 50% carbendazim, 50% thiophanate-methyl, or 50% thiram for 48 hours (200 g of the solution mixed evenly with 100 kg of water can soak 60-70 kg of rice seeds), then remove them, sprout them, and sow, ...
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What are the practical measures for increasing rice yields?
Apply "no-deep-tillage" soil conditioner to increase soil permeability, promote rice root growth and development, and improve the rice plant's fertilizer use efficiency, thereby increasing rice yield. On this basis, firmly grasping the following measures also has a huge effect on increasing rice yield. 1. Increase the number of panicles. ① Cultivate strong seedlings. To...
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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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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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