T/ZJNJ 0037-2025 Technical Specifications for Low-Carbon Irrigation and Mechanized Production of Rice

Scope

Scope: This document specifies the technical terms, definitions, basic principles, requirements, and methods for irrigation management and mechanized production during the low-carbon irrigation and mechanized production of rice. This document is applicable to low-carbon irrigation rice transplantation fields with well-developed irrigation and drainage systems. Main technical content: During the various growth stages of rice (recovery period, tillering period, jointing and flowering period, booting and flowering period, milk ripening period, and yellow ripening period), the irrigation technique uses the root-zone soil moisture or suitable water depth as an indicator for farmland irrigation and drainage control. On the basis of fully intercepting rainfall, the irrigation time, irrigation frequency, and irrigation volume are reasonably determined. The main types of irrigation techniques include shallow irrigation with frequent applications, shallow wet irrigation, indirect wetting irrigation, and alternating dry and wet irrigation.

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