Guizhou Provincial Standard of the People's Republic of China
Latest
DB52/T 476-2004
Scope
This standard stipulates the variety requirements, suitable rice field types, climate conditions, water source conditions and specific cultivation techniques for super-high-yield rice cultivation. This standard applies to Guizhou's one-season hybrid rice. Medium and late-maturing varieties are suitable for rice fields with medium to high fertility, convenient water sources for drainage and irrigation, low groundwater levels, surface water as irrigation water, and sufficient light and heat.
DB52/T 476-2004 history
2004DB52/T 476-2004 Technical specification for ultra-high-yield rice cultivation