摘要
分析了不同水稻品种 (系 )子粒充实程度及物质积累与施肥的关系。结果认为增施氮肥可使颖花的充实粒率表现为下降的趋势 ,但不同品种 (系 )有不同的反映。孕穗期 (抽穗前 2周 )
The relationship between fulfilled grain percentage, dry matter accumulation and fertilizer was analyzed. The result showed that increasing nitrogen supply had the trend to decrease fulfilled grain percentage. However, different genotypes have various response to fertilizer treatment. Topdressing 2 weeks ahead heading increased the rates of dry matter production and accumulation during grain filling.
出处
《黑龙江农业科学》
2001年第6期1-6,共6页
Heilongjiang Agricultural Sciences
基金
黑龙江省自然科学基金资助项目部分内容
