不同缓释肥料用量及运筹方式对杂交晚稻农艺性状及产量的影响
Effects of different slow-release fertilizer application rate and management on agronomic traits and yield of hybrid late rice
何跃华 1薛占奎 2徐晶晶 2施佳炜 2金丽 2刘慧芳3
作者信息
- 1. 金华市汤溪镇农业技术推广站, 浙江 金华 321000
- 2. 金华市农业技术推广站, 浙江 金华 321000
- 3. 金华市厚大粮蔬专业合作社, 浙江 金华 321000
- 折叠
摘要
为筛选出适合晚稻生产的肥料运筹方式,减少肥料成本、增加经济效益,以籼粳杂交晚稻甬优7850 为试验材料,研究不同缓释肥料用量及运筹方式对产量、农艺性状及氮素效率的影响.结果表明,等养分处理下,有机无机缓释肥有利于提高有效穗、每穗粒数,667 m2 基肥使用 30 kg 加适量分蘖肥较常规施肥增产4.80%,氮肥农学效率最高;等成本情况下,缓释肥处理氮素减少,产量仍较常规施肥增加 1.53%,且氮肥农学效率明显高于常规施肥.双季晚稻有机无机缓释肥以 667 m2 基肥用量 30 kg、总氮量在 10.7～12.0 kg为宜.
Abstract
In order to screen out the fertilizer management methods suitable for late rice production,reduce fertilizer cost and increase economic benefits,the effects of different slow-release fertilizer application rates and management methods on yield,agronomic traits and nitrogen efficiency were studied by using indica-japonica hybrid late rice Yongyou 7850.The results showed that under the same nutrient treatment,organic and inorganic slow-release fertilizer was beneficial to increase the effective panicle and grain number per panicle,and the yield of 667 m2 basal fertilizer with 30 kg and appropriate tillering fertilizer was 4.80%higher than that of conventional fertilization,and the agronomic efficiency of nitrogen fertilizer was the highest.Under the same cost,the yield of slow-release fertilizer was still 1.53%higher than that of conventional fertilization,and the agronomic efficiency of nitrogen fertilizer was significantly higher than that of conventional fertilization.The organic and inorganic slow-release fertilizer of double-cropping late rice should be 667 m2 basal fertilizer with 30 kg and total nitrogen at 10.7-12.0 kg.
关键词
甬优7850/缓释肥/农艺性状/氮肥农学效率/产量Key words
Yongyou 7850/slow-release fertilizer/agronomic traits/agronomic efficiency of nitrogen fertilizer/yield引用本文复制引用
基金项目
金华市科技特派员项目(2019)(金市科[2019]103号)
出版年
2024
NETL
NSTL
维普
万方数据