Applying UDP to Wetland Rice
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Date
2013
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Abstract
This guide outlines the agricultural practice of Urea Deep Placement (UDP) for improving the efficiency of urea fertilizer application in wetland rice cultivation. The process involves preparing a muddy field, planting rice seedlings 20 cm apart, and applying urea briquettes 7-10 days after planting. The briquettes are placed 7-10 cm deep between every four plants. Continued water coverage is crucial to ensure proper dissolution of the briquettes. The document also discusses the advantages of UDP, such as improved fertilizer efficiency, increased yields (15-30%), and lower production costs, while acknowledging constraints like labor availability and the need for good soil conditions and continuous irrigation. Additionally, it provides instructions for top-dressing other crops with urea briquettes and emphasizes the importance of soil moisture and proper application techniques.
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Deep placement, Rice