湖南农业科学Issue(4)：20-24,5.DOI:10.16498/j.cnki.hnnykx.2025.004.005
配方复合肥对赣北地区水稻冠层颜色和生产效益的影响
Effects of Formula Compound Fertilizer on Rice Canopy Color and Production Benefits in Northern Jiangxi
摘要
Abstract
This study aims to reveal the application effect of formula compound fertilizer on the oilseed rape-rice rotation system in northern Jiangxi.A field experiment was conducted in the demonstration area of''Three Increases and Two Reductions''project in Pengze County,Jiujiang City,Jiangxi Province in 2024.Three treatments were set up:no fertilizer(T1),conventional fertilizer(T2),and formula compound fertilizer(T3).The effects of different fertilization treatments on the RGB values of rice canopy,yield and its components,and production benefits were compared.The results showed that different fertilization treatments significantly affected the normalized red index(NRI)of rice during the flowering and filling stages.At both the flowering and filling stages,T3 treatment had significantly higher NRI than T1 treatment,with increases of 4.03%and 6.69%,respectively.The rice yields of T2 and T3 treatments were significantly higher than that of T1 treatment,and the rice yield of T3 treatment was 8.8%higher than that of T2 treatment.The increase in rice yield of T3 treatment was mainly due to the increase in seed setting rate.Furthermore,the input-output analysis showed that the production benefit of T3 treatment was significantly higher than that of T2 treatment,with an increase of 18.9%.In conclusion,the formula compound fertilizer could promote the growth of rice canopy in the oilseed rape-rice rotation system in northern Jiangxi and then improve the yield and production benefits of rice by increasing the seed setting rate.关键词
水稻冠层颜色/配方复合肥/水稻产量/结实率/水稻收益Key words
rice canopy color/formula compound fertilizer/rice yield/seed setting rate/rice production benefits分类
农业科技引用本文复制引用
余红英,刘克东,郝奇,张颖,张先锋,宗小明,柳开楼,孙耿..配方复合肥对赣北地区水稻冠层颜色和生产效益的影响[J].湖南农业科学,2025,(4):20-24,5.基金项目
江西省重点研发计划"揭榜挂帅"项目(20223BBF61020) （20223BBF61020）
国家科技基础资源调查专项(2021FY100504) （2021FY100504）
