Sludge of urban sewage treatment plants was fermented in aerobic, and then mixed with coal ash, inorganic fertilizers to produce organic compound manure ,which was applied in fertilization trial of paddy rice.This compound manure could fairly raise the output of paddy in the trail, and as good as N, P, K fertilizers used.
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dry culture of paddy rice 水稻旱种
plant disease of paddy rice 水稻病害
investigation of paddy rice area 水稻面积提取
paddy ecosystem of late rice 晚稻生态系统
The warm climate there permits three harvests of paddy rice a year.
那里气候暖和，一年能种三季稻子。
Jinci production of paddy rice is difficult Jinci old Stephen irrigated, with a variety of minerals.
生产晋祠大米的稻田，是晋祠难老泉水浇地，含有多种矿物质。
The results can be used to estimate the commercial grain quality and provide the basis for working out state grade standard of paddy rice.
将此用于评定稻米商品粮品质，可为制定国家稻米分级标准提供参考依据。
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