Variety characteristics of Zhejingyou 4 and exploration of its high-yield cultivation techniques

doi:10.16178/j.issn.0528-9017.20240601

Abstract

Abstract:

Zhejingyou 4 is an indica-japonica hybrid rice variety bred by the Institute of Crop and Nuclear Technology Utilization of Zhejiang Academy of Agricultural Sciences in collaboration with multiple institutes. It has large panicles and multiple grains with strong tillering ability, outstanding lodging resistance and well color change at ripening stage. In order to better obtain its high yield, the high-yield cultivation techniques were explored in this paper to provide reference for the popularization and application of this variety.

Key words: indica-japonica hybrid rice, Zhejingyou 4, characteristics, high-yield cultivation techniques

CLC Number:

S511

ZHANG Wenbin, REN Junkai, YE Shenghai, ZHANG Guoping. Variety characteristics of Zhejingyou 4 and exploration of its high-yield cultivation techniques[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(7): 1583-1586.

施肥种类	万里神农缓释肥(N 18%、 P₂O₅ 5%、K₂O 10%)/kg	尿素/ kg	高氮高钾配方肥(N 26%、 P₂O₅10%、K₂O 16%)/kg	高氮高钾配方肥(N 20%、 P₂O₅ 9%、K₂O 20%)/kg	纯N / kg	N肥占比/ %
基肥(6月10日)	30	0	0	0	5.4	34.00
分蘖肥1(6月18日)	0	10	0	0	4.6	28.90
分蘖肥2(6月23日)	0	0	15	0	3.9	24.53
促花肥(7月22日)	0	0	0	0	0	0
保花肥(8月10日)	0	0	0	10	2.0	12.58

施肥种类	万里神农缓释肥(N 18%、 P₂O₅ 5%、K₂O 10%)/kg	尿素/ kg	高氮高钾配方肥(N 26%、 P₂O₅10%、K₂O 16%)/kg	高氮高钾配方肥(N 20%、 P₂O₅ 9%、K₂O 20%)/kg	纯N / kg	N肥占比/ %
基肥(6月10日)	30	0	0	0	5.4	34.00
分蘖肥1(6月18日)	0	10	0	0	4.6	28.90
分蘖肥2(6月23日)	0	0	15	0	3.9	24.53
促花肥(7月22日)	0	0	0	0	0	0
保花肥(8月10日)	0	0	0	10	2.0	12.58

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Variety characteristics of Zhejingyou 4 and exploration of its high-yield cultivation techniques

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