期刊论文

Regulatory effects of nitrogen and density interaction on grain quality of high-quality late rice and its mechanism

中文

湖南农业大学学报(自然科学版)

1007-1032

2023

49

03

251-259

10.13331/j.cnki.jhau.2023.03.001

国家重点研发计划项目(2018YFD0301005)；

本校为第一机构

以‘玉针香’为材料,设计4个施氮量处理,分别为N1(不施氮)、N2(尿素180 kg/hm2)、N3(尿素126kg/hm2)、N4(180 kg/hm2...展开更多 以‘玉针香’为材料,设计4个施氮量处理,分别为N1(不施氮)、N2(尿素180 kg/hm2)、N3(尿素126kg/hm2)、N4(180 kg/hm2尿素+生物炭200 t/hm2),2个种植密度处理,分别为D1(18 cm×25 cm)、D2(14 cm×25 cm),于2020—2021年开展大田试验,研究施氮量、种植密度及其互作对稻米品质与叶片氮代谢特征的影响。结果表明:种植密度对稻米出米率、直链淀粉含量、胶稠度、蛋白质组分均无显著影响,D2处理各指标均略高于D1处理;施氮提高了出米率与各蛋白质组分含量,降低了垩白粒率和垩...

In order to understand the regulatory effect and mechanism of nitrogen application rate and density on the quality of high-quality late rice,Yuzhenxiang was used as material to conduct field experiment under four nitrogen application rates including no nitrogen(N1),180 ...MORE In order to understand the regulatory effect and mechanism of nitrogen application rate and density on the quality of high-quality late rice,Yuzhenxiang was used as material to conduct field experiment under four nitrogen application rates including no nitrogen(N1),180 kg...