Impact of Two New Fertilizers on Effect of Soybean Fertilizer & Planting Density and Soil Enzyme Activity

doi:10.11924/j.issn.1000-6850.casb2023-0129

Abstract

Abstract:

In this study, the effects of two new fertilizers and their matching application methods on soybean density and soil enzyme activity were researched. ‘ZLD 120’ was used as the experimental material, the split-plot trial was performed with 6 fertilization treatments (blank fertilization, normal fertilization, low concentration ammonium thiosulfate, high concentration ammonium thiosulfate, 0.5 normal fertilizer+Master Copper, 0.3 normal fertilizer+Master Copper, respectively recorded as T₁, T₂, T₃, T₄, T₅, T₆) as main zones and 3 planting density levels (15×10⁴ plants/ hm², 20×10⁴ plants/ hm² and 25×10⁴ plants/ hm²) as sub zones. The results showed that under the same fertilization treatment, the soybean yield increased firstly and then decreased with the increase of planting density, and reached the maximum at M₂. With the increase of planting density, the main stem diameter and chlorophyll content gradually decreased, and the plant height and leaf area index gradually increased. Under the same planting density, the yield, leaf area index, soil alkaline phosphatase and sucrase activity increased, but the plant height, main stem diameter and soil urease activity of soybean reduced in ammonium thiosulfate treatment. Compared with T₁ and T₂, the chlorophyll content was higher in T₃. The chlorophyll content increased in T₁ compared with T₄. Soybean yield under the Copper Master treatment was significant higher in T₄ and T₅ than that in T₁ and T₂ under M₃ density, but the overall yield was low compared with other densities at this time. The plant height, main stem diameter, leaf area index and soil enzyme activity trend of soybean under Copper Master treatment were lower than that of T₁ and T₂ on the whole, but the chlorophyll content showed contrary result. To sum up, ammonium thiosulfate treatment under 20× 10⁴ plants/ hm² was the best cultivation pattern, and the maximum yield was 3200.00 kg/ hm² under M₂T₄. We should explore the application of Copper Master on soybeans for the future research.

Key words: soybean, fertilizer and planting density, yield, grow, soil enzyme

YUAN Wenxia, BI Yingdong, FAN Chao, LI Wei, LIU Miao, LIU Jianxin, YANG Guang, DI Shufeng, LIANG Wenwei. Impact of Two New Fertilizers on Effect of Soybean Fertilizer & Planting Density and Soil Enzyme Activity[J]. Chinese Agricultural Science Bulletin, 2024, 40(5): 53-61.

Figures/Tables 11

References 25

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指标	产量	有效荚数	单株粒数	百粒重	主茎节数	有效分枝数
产量	1
单株荚数	0.492*	1
单株粒数	0.438	0.978**	1
百粒重	-0.617**	-0.827**	-0.806**	1
主茎节数	0.309	0.834**	0.843**	-0.881**	1
有效分枝数	0.040	0.647**	0.587*	-0.594**	0.631**	1

指标	产量	有效荚数	单株粒数	百粒重	主茎节数	有效分枝数
产量	1
单株荚数	0.492*	1
单株粒数	0.438	0.978**	1
百粒重	-0.617**	-0.827**	-0.806**	1
主茎节数	0.309	0.834**	0.843**	-0.881**	1
有效分枝数	0.040	0.647**	0.587*	-0.594**	0.631**	1

处理		盛花期		结荚期		鼓满粒期		完熟期
处理		株高	主茎粗	株高	主茎粗	株高	主茎粗	株高	主茎粗
M₁T₁		41.44±1.71f	0.61±0.03e	92.57±2.47d	1.04±0.03g	101.56±2.25ef	1.19±0.05c	100±3.71ef	1.01±0.06c
M₁T₂		48.67±1.94cd	0.76±0.03a	99.72±1.6b	1.18±0.04cd	110.5±1.83bc	1.38±0.05a	109.89±1.85b	1.24±0.03ab
M₁T₃		44.78±1.4ef	0.74±0.03ab	87.33±2.01f	1.18±0.03cd	101±2.54ef	1.25±0.04b	98±2.54fg	1.04±0.03c
M2T3		48.89±0.87c	0.7±0.03c	90.22±2.19de	1.06±0.03g	102.22±1.99de	1.15±0.04c	99.67±1.83ef	0.83±0.04fg
M2T4		49.02±1.24c	0.55±0.03g	96.26±0.46c	1.24±0.04b	104.28±2.59d	1.3±0.05b	102.22±1.47de	0.93±0.04d
M2T5		41.33±1.25f	0.65±0.03d	84.11±2.48g	1.21±0.05bc	93.67±2.83g	1.25±0.03b	94.78±1.87h	0.91±0.12d
M2T6		39.88±1.26g	0.56±0.03fg	80.68±2.46h	1.05±0.05g	90.33±1.83h	1.17±0.06c	91.44±3.65i	0.9±0.07de
M3T1		48±1.56cd	0.56±0.03fg	98.5±2.91bc	0.81±0.03j	111.78±3.19b	1±0.03e	110.78±3.49ab	0.8±0.03g
M3T2		60.67±1.41a	0.71±0.03bc	104.67±2.75a	0.95±0.02h	115.39±2.02a	1.1±0.05d	113.44±2.63a	0.81±0.05fg
M3T3		51.88±1.15b	0.67±0.03d	96.33±2.04c	0.92±0.04h	110±2.21bc	0.96±0.04f	103.89±3.51cd	0.74±0.04h
M3T4		52.14±1.09b	0.4±0.02h	97.79±1.98bc	1.16±0.03de	110.11±1.52bc	1.26±0.05b	105.11±1.73c	0.92±0.03d
M3T5		45.18±1.42e	0.57±0.02fg	91.7±1.51d	1.13±0.04ef	103.5±2.38de	1.18±0.04c	101.89±2.96de	0.89±0.02de
M3T6		41.01±1.57g	0.54±0.03g	91±1.63d	0.95±0.04h	99.33±2.12f	1.01±0.05e	96.44±1.64gh	0.8±0.02g
显著性(P)	T	^**	^**	^**	^**	^**	^**	^**	^**
	M	^**	^**	^**	^**	^**	^**	^**	^**
	T×M M	^**	^**	^**	^**	^**	^**	^**	^**

处理		盛花期		结荚期		鼓满粒期		完熟期
处理		株高	主茎粗	株高	主茎粗	株高	主茎粗	株高	主茎粗
M₁T₁		41.44±1.71f	0.61±0.03e	92.57±2.47d	1.04±0.03g	101.56±2.25ef	1.19±0.05c	100±3.71ef	1.01±0.06c
M₁T₂		48.67±1.94cd	0.76±0.03a	99.72±1.6b	1.18±0.04cd	110.5±1.83bc	1.38±0.05a	109.89±1.85b	1.24±0.03ab
M₁T₃		44.78±1.4ef	0.74±0.03ab	87.33±2.01f	1.18±0.03cd	101±2.54ef	1.25±0.04b	98±2.54fg	1.04±0.03c
M2T3		48.89±0.87c	0.7±0.03c	90.22±2.19de	1.06±0.03g	102.22±1.99de	1.15±0.04c	99.67±1.83ef	0.83±0.04fg
M2T4		49.02±1.24c	0.55±0.03g	96.26±0.46c	1.24±0.04b	104.28±2.59d	1.3±0.05b	102.22±1.47de	0.93±0.04d
M2T5		41.33±1.25f	0.65±0.03d	84.11±2.48g	1.21±0.05bc	93.67±2.83g	1.25±0.03b	94.78±1.87h	0.91±0.12d
M2T6		39.88±1.26g	0.56±0.03fg	80.68±2.46h	1.05±0.05g	90.33±1.83h	1.17±0.06c	91.44±3.65i	0.9±0.07de
M3T1		48±1.56cd	0.56±0.03fg	98.5±2.91bc	0.81±0.03j	111.78±3.19b	1±0.03e	110.78±3.49ab	0.8±0.03g
M3T2		60.67±1.41a	0.71±0.03bc	104.67±2.75a	0.95±0.02h	115.39±2.02a	1.1±0.05d	113.44±2.63a	0.81±0.05fg
M3T3		51.88±1.15b	0.67±0.03d	96.33±2.04c	0.92±0.04h	110±2.21bc	0.96±0.04f	103.89±3.51cd	0.74±0.04h
M3T4		52.14±1.09b	0.4±0.02h	97.79±1.98bc	1.16±0.03de	110.11±1.52bc	1.26±0.05b	105.11±1.73c	0.92±0.03d
M3T5		45.18±1.42e	0.57±0.02fg	91.7±1.51d	1.13±0.04ef	103.5±2.38de	1.18±0.04c	101.89±2.96de	0.89±0.02de
M3T6		41.01±1.57g	0.54±0.03g	91±1.63d	0.95±0.04h	99.33±2.12f	1.01±0.05e	96.44±1.64gh	0.8±0.02g
显著性(P)	T	^**	^**	^**	^**	^**	^**	^**	^**
	M	^**	^**	^**	^**	^**	^**	^**	^**
	T×M M	^**	^**	^**	^**	^**	^**	^**	^**

因素	盛花期	盛荚期	鼓粒满期
T	^**	^**	^**
M	^**	^**	^**
T×M	^**	^**	^**