New technology for loosening and releasing rice

The main measures for the mechanization of loosening and unplanting rice technology are: “Fine sowing in accordance with the conventional agronomy requirement density for direct drought sowing, and when the live seedlings grow to the age of conventional transplanting, the loosening machine is used to carry out the loosening of the seedlings. Roots, timely irrigation, management according to conventional rice management." This new technology integrates rice breeding, transportation, and transplanting to achieve mechanization of rice cultivation. The specific production process is: (a) Early broadcast of Daejeon Machinery. That is, using a small amount of seeders to conduct live broadcast of rice fields. The spacing is 25-27cm, the spacing is 15cm, the sowing depth is 2～3cm, the seeding rate per mu is 1.5-2kg, the control of each hole is 2-3 capsules, and depending on the season, dry seed sowing or soaking to budding When the white is suitable for the next species.

(b) timely loosening (transplanting). When the Daejeon direct seedlings are grown to 25 to 30 days (3 to 5 tillers) and reach the age of transplanting, they are used to raise the pine seedlings (specially for the purpose of raising rice and rapeseed) and to raise the seedlings in the sowing direction. Pull and loose. The main purpose of Qisong is to: First, loose soil: to achieve ploughing and soil preparation through loosening, enhance soil loosening to achieve field ploughing and improve soil looseness, and secondly, to cut off roots; seedlings are in the process of loosening Some secondary roots are cut off, which promotes the growth of new roots and lays the foundation for the robust growth of stems and leaves.

(3) Check the seedlings and make up the seedlings in time to ensure the seedlings.

(d) timely irrigation and fertilization. Daejeon seedlings should be irrigated within 2 to 3 hours after harvesting, and a certain amount of returning green manure should be applied.

(e) Manage according to conventional rice agronomic requirements.

The main feature of this method of loosening and unloading rice is to broadcast the rice directly in the field, without the need for raising seedlings in the field, and the strain and spacing can be selected according to agronomic requirements, laying the foundation for the growth of rice, and at the same time adopting a key mechanization. The new loose technology replaced the laborious artificial lifting, transportation, and planting in order to save land, labor, labor, cost, and efficiency.

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