Influence of rice variety and water-fertilizer management combination on rice yield and quality

doi:10.16178/j.issn.0528-9017.20250485

Abstract

Abstract:

To investigate the comprehensive effects of different combinations of agronomic practices on rice yield and quality，a multifactorial randomized block experiment was conducted using rice varieties，water-saving irrigation，and fertilizer management as factors. Water-saving drought-resistant rice and conventional flooded rice were used as experimental materials，with two irrigation methods，conventional flooding and water-saving irrigation，being established，combined with organic fertilizer application. The study examined rice yield and quality under different combinations. The results indicated that the yield of water-saving drought-resistant rice under water-saving irrigation was comparable to that of traditional rice under conventional flooding（straw returning combined with nitrogen fertilizer application）. Moreover，water-saving drought-resistant rice enhanced the milling quality of rice，including brown rice rate，milled rice rate，and head rice rate. However，the effects on appearance and eating quality of rice were inconsistent. Specifically，protein content was higher，while amylose content was significantly （p0.05） lower，which had a certain impact on cooking quality of rice. Additionally，the cultivation model combining water-saving irrigation，organic fertilizer application，and water-saving drought-resistant rice varieties could maintain relatively high rice yields while improving milling quality. Future research should further optimize the combinations of different agronomic practices（e.g.，irrigation methods and fertilization strategies）to achieve synergistic improvement in both rice yield and quality，thereby providing a scientific basis for green and high-quality development of agriculture.

Key words: water-saving and drought-resistant rice, water management, fertilizer management, rice yield, rice quality

CLC Number:

S511

JIANG-XU Yuxuan, ZHANG Junpeng, NI Di'an, SUN Huifeng, ZHANG Jining, WANG Cong, JIANG Zheng, ZHANG Xianxian, ZHOU Sheng. Influence of rice variety and water-fertilizer management combination on rice yield and quality[J]. Journal of Zhejiang Agricultural Sciences, 2026, 67(7): 1612-1618.

Figures/Tables 6

References 46

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类型	处理	化肥	水分管理	秸秆还田	有机肥添加
常规水稻	RS	否	淹灌	是	否
常规水稻	RN	是	淹灌	否	否
常规水稻	RSN	是	淹灌	是	否
节水抗旱稻	WDRSN	是	旱管	是	否
节水抗旱稻	WDRSNM	是	旱管	是	是

类型	处理	化肥	水分管理	秸秆还田	有机肥添加
常规水稻	RS	否	淹灌	是	否
常规水稻	RN	是	淹灌	否	否
常规水稻	RSN	是	淹灌	是	否
节水抗旱稻	WDRSN	是	旱管	是	否
节水抗旱稻	WDRSNM	是	旱管	是	是

处理	每公顷有效穗数/10⁴	穗粒数	结实率/%	千粒重/g
RS	232.78±14.18 b	164.0	71.8	23.3
RN	280.81±11.58 a	145.3	68.3	23.6
RSN	281.47±11.43 a	191.9	73.7	22.4
WDRSN	270.80±8.26 a	178.0	62.9	27.4
WDRSNM	267.47±7.34 a	192.8	71.1	22.8

处理	每公顷有效穗数/10⁴	穗粒数	结实率/%	千粒重/g
RS	232.78±14.18 b	164.0	71.8	23.3
RN	280.81±11.58 a	145.3	68.3	23.6
RSN	281.47±11.43 a	191.9	73.7	22.4
WDRSN	270.80±8.26 a	178.0	62.9	27.4
WDRSNM	267.47±7.34 a	192.8	71.1	22.8

处理	长宽比	垩白粒率/%	垩白面积/%
RS	1.92±0.02 a	13.95±6.23 c	22.4±0.5 a
RN	1.91±0.02 b	17.16±3.12 abc	18.8±0.2 a
RSN	1.85±0.01 b	15.03±1.12 bc	21.1±0.9 a
WDRSN	1.80±0.01 c	26.16±7.44 a	23.0±0.9 a
WDRSNM	1.78±0.01 c	24.89±6.39 ab	22.1±0.1 a