Effects of different fertilization patterns on yield and soil fertility of double cropping rice

doi:10.16178/j.issn.0528-9017.20230264

Abstract

Abstract:

In order to explore the effects of different fertilization methods on soil fertility and double cropping rice yield, in this study, five field trials were conducted in Ruian City in 2021 to compare the differences between no fertilization(T1), conventional fertilization(T2), soil testing formula fertilization(T3), and soil testing formula fertilization+organic fertilizer (T4) in soil fertility and early and late rice yield. Based on the average value of the five test sites, the total nitrogen and alkali hydrolyzable nitrogen content of T3 treatment was the highest, the available phosphorus content of T3 was the highest, and the available potassium content of T1 was the lowest, the available potassium content of T2 and T3 was more appropriate, while the available potassium content of T1 was insufficient, and the slow-release potassium content of T2 treatment was the highest. Under different application methods, the application of fertilizer increased the annual yield of rice, and the treatment of T2 could increase the yield of rice, and other treatments (such as T1 and T3) may also have a certain effect on the yield, but the treatment of T2 had the best effect and could be used as a method to optimize rice production.

Key words: double cropping rice, fertilization, soil fertility, yield

CLC Number:

S511

ZHANG Wenyong, CHEN Guanghui, CHEN Zhaoming. Effects of different fertilization patterns on yield and soil fertility of double cropping rice[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(7): 1547-1550.

Figures/Tables 2

References 11

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试验点	处理	pH值	有机质含量/ (g·kg^-1)	全氮含量/ (g·kg^-1)	碱解氮含量/ (mg·kg^-1)	有效磷含量/ (mg·kg^-1)	速效钾含量/ (mg·kg^-1)	缓效钾含量/ (mg·kg^-1)
MJ	CK	5.30	42.7	2.64	190	4.7	72	133.0
	T1	5.40	36.8	2.31	181	18.1	70	166.0
	T2	5.16	43.4	2.80	183	5.9	91	299.0
	T3	5.30	37.9	2.70	178	5.4	54	90.0
MZ	CK	6.28	38.5	2.32	189	7.6	113	53.0
	T1	6.18	39.4	2.32	130	8.7	150	51.0
	T2	6.16	36.4	1.90	128	12.8	140	67.6
	T3	6.33	55.1	2.85	137	18.2	140	63.0
FM	CK	5.45	49.7	3.82	195	3.2	56	38.0
	T1	5.19	47.8	3.27	212	6.4	94	26.0
	T2	5.50	46.6	3.27	188	2.1	60	81.0
	T3	5.31	48.6	3.36	183	2.1	66	92.0
TP	CK	6.10	30.6	1.79	100	3.9	112	79.0
	T1	6.24	23.7	1.63	79	5.9	102	54.7
	T2	5.90	37.6	1.19	124	6.1	95	43.0
	T3	5.64	40.9	2.25	138	3.7	72	56.0
TB	CK	6.77	47.3	2.14	141	27.4	148	126.0
	T1	6.10	49.6	2.02	156	5.1	130	159.0
	T2	6.95	51.2	2.52	167	26.7	159	166.0
	T3	6.92	54.9	3.26	178	42.9	134	162.0

试验点	处理	pH值	有机质含量/ (g·kg^-1)	全氮含量/ (g·kg^-1)	碱解氮含量/ (mg·kg^-1)	有效磷含量/ (mg·kg^-1)	速效钾含量/ (mg·kg^-1)	缓效钾含量/ (mg·kg^-1)
MJ	CK	5.30	42.7	2.64	190	4.7	72	133.0
	T1	5.40	36.8	2.31	181	18.1	70	166.0
	T2	5.16	43.4	2.80	183	5.9	91	299.0
	T3	5.30	37.9	2.70	178	5.4	54	90.0
MZ	CK	6.28	38.5	2.32	189	7.6	113	53.0
	T1	6.18	39.4	2.32	130	8.7	150	51.0
	T2	6.16	36.4	1.90	128	12.8	140	67.6
	T3	6.33	55.1	2.85	137	18.2	140	63.0
FM	CK	5.45	49.7	3.82	195	3.2	56	38.0
	T1	5.19	47.8	3.27	212	6.4	94	26.0
	T2	5.50	46.6	3.27	188	2.1	60	81.0
	T3	5.31	48.6	3.36	183	2.1	66	92.0
TP	CK	6.10	30.6	1.79	100	3.9	112	79.0
	T1	6.24	23.7	1.63	79	5.9	102	54.7
	T2	5.90	37.6	1.19	124	6.1	95	43.0
	T3	5.64	40.9	2.25	138	3.7	72	56.0
TB	CK	6.77	47.3	2.14	141	27.4	148	126.0
	T1	6.10	49.6	2.02	156	5.1	130	159.0
	T2	6.95	51.2	2.52	167	26.7	159	166.0
	T3	6.92	54.9	3.26	178	42.9	134	162.0

试验点	处理	667 m²早稻产量/kg	667 m²晚稻产量/kg
MJ	CK	384.1	438.1
	T1	472.5	484.5
	T2	495.8	502.9
	T3	442.5	459.1
MZ	CK	325.5	326.7
	T1	427.3	353.0
	T2	418.4	315.3
	T3	334.7	349.9
FM	CK	321.4	333.6
	T1	423.2	425.9
	T2	434.0	448.5
	T3	374.2	342.3
TP	CK	292.1	407.9
	T1	493.7	585.3
	T2	316.2	327.1
	T3	438.5	370.7
TB	CK	275.4	426.2
	T1	331.6	486.8
	T2	348.1	567.7
	T3	359.2	543.4

试验点	处理	667 m²早稻产量/kg	667 m²晚稻产量/kg
MJ	CK	384.1	438.1
	T1	472.5	484.5
	T2	495.8	502.9
	T3	442.5	459.1
MZ	CK	325.5	326.7
	T1	427.3	353.0
	T2	418.4	315.3
	T3	334.7	349.9
FM	CK	321.4	333.6
	T1	423.2	425.9
	T2	434.0	448.5
	T3	374.2	342.3
TP	CK	292.1	407.9
	T1	493.7	585.3
	T2	316.2	327.1
	T3	438.5	370.7
TB	CK	275.4	426.2
	T1	331.6	486.8
	T2	348.1	567.7
	T3	359.2	543.4

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