Effects of Mechanical Side Deep Fertilization on Yield and Quality of Huazheyou 261
Received date: 2023-10-17
Online published: 2024-11-19
A field experiment was conducted to explore the effects of mechanical side deep fertilization on the yield and quality of the high-quality hybrid rice variety Huazheyou 261. Three nitrogen fertilizer treatments were set up in the experiment. N0: no nitrogen fertilizer applied; CK: nitrogen fertilizer applied conventionally with urea as the nitrogen source, with a total nitrogen application rate equivalent to 180 kg/hm2, applied in a ratio of base fertilizer∶tillering fertilizer∶panicle fertilizer as 5∶3∶2; MDSF: nitrogen fertilizer mechanical side deep fertilization using controlled-release urea, with a total nitrogen application rate equivalent to 150 kg/hm2. All nitrogen fertilizers were applied at the same time during machine transplanting. The results showed that, compared to CK, MDSF treatment had no significant difference in yield but significantly improved nitrogen use efficiency. Additionally, MDSF treatment enhanced the processing quality and nutritional quality of rice, making it the optimal nitrogen management practice in this study.
Key words： rice; mechanical side deep fertilization; Huazheyou 261; yield; quality
DU Xiongying, HONG Lirong, LI Debing, CHU Guang . Effects of Mechanical Side Deep Fertilization on Yield and Quality of Huazheyou 261[J]. China Rice, 2024 , 30(6) : 99 -104 . DOI: 10.3969/j.issn.1006-8082.2024.06.017
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