Effects of Different Fertilization Treatments on Soil Physical and Chemical Properties and Yield of Celery

doi:10.11924/j.issn.1000-6850.casb2021-0587

Abstract

Abstract:

To explore the effects of different fertilization treatments on soil physical and chemical properties and yield of celery, the study used ‘Ventula’ celery as the test material, and conducted three treatments: single application of chemical fertilizer (T), organic fertilizer combined with chemical fertilizer (YTF1/2) and total organic fertilizer (YTF). The results showed that different fertilization treatments had changed the soil physical and chemical properties and celery yield, and the most obvious changes were found on soil bulk density, porosity, saturated water conductivity, alkali-hydrolyzed nitrogen and available phosphorus. In 2019, compared with T treatment, YTF treatment significantly reduced soil bulk density by 13.16%, increased soil porosity and saturated water conductivity by 10.72% and 20.73%, respectively. Compared with T treatment, the content of soil alkali-hydrolyzed nitrogen and available phosphorus in YTF1/2 treatment were significantly increased by 15.8% and 19.6%, respectively. In 2020, compared with T treatment, YTF treatment significantly reduced soil bulk density by 10.71%, increased soil porosity by 8.23% and soil saturated water conductivity by 17.76%. Compared with T treatment, YTF1/2 treatment significantly increased the content of soil alkali-hydrolyzed nitrogen and available phosphorus by 16.18% and 12.91%, respectively. Compared with T treatment, both YTF1/2 treatment and YTF treatment increased celery yield. In 2019, the celery yield of YTF1/2 treatment was the highest, which was 97984 kg/hm², 2.65% and 22.83% higher than that of T treatment and YTF treatment, respectively. In 2020, the celery yield of YTF1/2 treatment was the highest, which was 93750 kg/hm² and increased by 25% and 13.64% compared with that of T treatment and YTF treatment, respectively. In general, organic fertilizer combined with chemical fertilizer had the best effect, and could be popularized in local celery cultivation.

Key words: celery, organic fertilizer, chemical fertilizer reduction, yield, soil physical and chemical properties

CLC Number:

S636.3

REN Zengcao, WU Jun, PENG Min, SONG Xuefeng, WANG Yuesheng, CAI Liqun. Effects of Different Fertilization Treatments on Soil Physical and Chemical Properties and Yield of Celery[J]. Chinese Agricultural Science Bulletin, 2022, 38(16): 86-90.

Figures/Tables 6

References 26

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代码	耕作	施肥	备注
T	传统模式	当地常规施肥量,即施纯N 450 kg/hm²,纯P₂O₅300 kg/hm²,纯K₂O 600 kg/hm²。	当地传统栽培管理
YTF1/2		化肥为当地常规施肥量1/2,元泰丰有机肥3000 kg/hm²（N-P₂O₅-K₂O≥5%,有机质含量≥70%）
YTF		元泰丰有机肥6000 kg/hm²（N-P₂O₅-K₂O≥5%,有机质含量≥70%）,有机肥施入定植行10~20 cm深处

代码	耕作	施肥	备注
T	传统模式	当地常规施肥量,即施纯N 450 kg/hm²,纯P₂O₅300 kg/hm²,纯K₂O 600 kg/hm²。	当地传统栽培管理
YTF1/2		化肥为当地常规施肥量1/2,元泰丰有机肥3000 kg/hm²（N-P₂O₅-K₂O≥5%,有机质含量≥70%）
YTF		元泰丰有机肥6000 kg/hm²（N-P₂O₅-K₂O≥5%,有机质含量≥70%）,有机肥施入定植行10~20 cm深处

年份	处理	容重/(g/cm³)	孔隙度/%
2019	T	1.29a	51.38b
	YTF1/2	1.23a	53.52b
	YTF	1.14b	56.89a
2020	T	1.24a	53.23b
	YTF1/2	1.17b	56.01a
	YTF	1.12b	57.61a

年份	处理	容重/(g/cm³)	孔隙度/%
2019	T	1.29a	51.38b
	YTF1/2	1.23a	53.52b
	YTF	1.14b	56.89a
2020	T	1.24a	53.23b
	YTF1/2	1.17b	56.01a
	YTF	1.12b	57.61a

年份	处理	pH	有机质/(g/kg)	全氮/(g/kg)	全磷/(g/kg)	碱解氮/(mg/kg)	有效磷/(mg/kg)	速效钾/(mg/kg)
2019	T	8.42a	13.76a	1.01a	0.92a	39.87b	29.14b	118.93a
	YTF1/2	8.38a	13.91a	0.96a	0.89ab	46.17a	34.85a	106.77b
	YTF	8.37a	14.00a	0.88a	0.84b	35.53c	24.37b	98.00b
2020	T	8.41a	13.71c	0.93a	0.93a	40.61b	34.54b	117.44a
	YTF1/2	8.39a	13.95b	1.01a	0.92a	47.18a	39.00a	105.48b
	YTF	8.37a	14.23a	0.92b	0.86b	35.98c	28.79c	96.82c