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When preparing the field for planting, it is essential to apply base fertilizer using a bottom plowing fertilizer machine. The technical specifications include a fertilization depth of 10 to 25 cm, with a fertilizer band width of 3 to 5 cm. The application must be even and continuous, avoiding any noticeable breaks or gaps. The amount of fertilizer should strictly meet the agronomic requirements for optimal crop growth.
For deep fertilizer application, fine casting spreaders and ditch casting machines are typically used during the sowing process, combining fertilization with covering and pressing operations. There are two main types: lateral deep application, where fertilizer is placed beside the seed, and direct deep application, where fertilizer is placed directly under the seed. The key technical points include ensuring that the correct amounts of seed and fertilizer are applied according to agronomic standards. A soil layer of more than 3 cm should separate the fertilizer from the seed to prevent damage and burning of the seedlings. The fertilizer band should be slightly wider than the seeding width, evenly distributed, and free of breaks or leaks. The soil should be well broken up and the field surface should remain flat.
In the topdressing stage, deep fertilizer application is carried out using fertilizer-seeding machines or medium-fertilizer equipment during the crop's growth period. The technical requirements include applying the right amount of fertilizer to meet the crop’s nutrient needs at each growth stage. The fertilization depth should be between 6 to 8 cm, and the fertilizer should be placed below the root zone, avoiding direct contact with the roots. The fertilizer band should be 3 to 5 cm wide, uniform, and continuous, without any visible gaps.
This approach ensures efficient nutrient delivery, promotes healthy plant development, and maximizes yield potential while maintaining environmental sustainability. By following these precise techniques, farmers can optimize their fertilization practices and achieve better agricultural outcomes.
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