Effect of different treatments of Zizania latifolia sheath leaves on the yield and quality of Zizania latifolia

doi:10.16178/j.issn.0528-9017.20240545

Abstract

Abstract:

In order to clarify the application methods and actual application effects of Zizania latifolia sheath leaf compost, research and demonstration on the resource utilization modes of Zizania latifolia sheath leaf, such as direct returning to the field and composting application, were carried out from 2021 to 2023. From the experimental results, it can be seen that returning the sheath leaves of Zizania latifolia to the field has a significant effect on improving the yield of Zizania latifolia. Directly returning the fresh sheath leaves of Zizania latifolia to the field can increase the average yield of Zizania latifolia by 9.09%, while returning the composted sheath leaves of Zizania latifolia to the field can increase the average yield of Zizania latifolia by 13.41%-18.94%, and the effect of high amount returning is better than that of low amount returning; Returning the composted sheath leaves of Zizania latifolia to the field can accelerate the tillering process of Zizania latifolia, increase the number of peak and effective seedlings, and enhance plant growth. During the harvest period, the shell weight and net weight of Zizania latifolia increased, which to some extent increased the yield of Zizania latifolia. After composting the sheath leaves of Zizania latifolia, double returning to the field (treatment 4) resulted in the highest plant growth, shell weight, and net weight of Zizania latifolia. Returning the composted sheath leaves of Zizania latifolia to the field can also increase soil organic content to a certain extent, but the increase is not significant. The content of alkaline hydrolyzable nitrogen, available potassium, and other nutrients in the soil significantly increased, and the soil pH value increased, which had a certain effect on alleviating soil acidification. Moreover, the effect of returning the composted sheath leaves of Zizania latifolia to the field is better than that of directly returning the fresh sheath leaves of Zizania latifolia to the field.

Key words: sheath leaves of Zizania latifolia, yield, quality, effect

CLC Number:

S645.2

YANG Yangyang, HU Ji, LI Nenghui, LI Zhongwei, FAN Douwen, WENG Liqing. Effect of different treatments of Zizania latifolia sheath leaves on the yield and quality of Zizania latifolia[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(10): 2298-2303.

处理	每667 m²茭白鞘叶用量/kg		使用方法
处理	秋茭	夏茭	使用方法
1(CK)	0	0	施肥等措施按常规,各处理相同
2	鲜鞘叶900	鲜鞘叶1 250	茭白采收时直接还田
3	茭白鞘叶堆肥300	茭白鞘叶堆肥400	茭白鞘叶制作堆肥后一次性作基肥施用
4	茭白鞘叶堆肥600	茭白鞘叶堆肥800	茭白鞘叶制作堆肥后一次性作基肥施用

处理	每667 m²茭白鞘叶用量/kg		使用方法
处理	秋茭	夏茭	使用方法
1(CK)	0	0	施肥等措施按常规,各处理相同
2	鲜鞘叶900	鲜鞘叶1 250	茭白采收时直接还田
3	茭白鞘叶堆肥300	茭白鞘叶堆肥400	茭白鞘叶制作堆肥后一次性作基肥施用
4	茭白鞘叶堆肥600	茭白鞘叶堆肥800	茭白鞘叶制作堆肥后一次性作基肥施用

处理	667 m²产量/kg	增产/%
1(CK)	1 033.7	0
2	1 092.4	5.68
3	1 138.7	10.16
4	1 201.3	16.21

处理	667 m²产量/kg	增产/%
1(CK)	1 033.7	0
2	1 092.4	5.68
3	1 138.7	10.16
4	1 201.3	16.21

处理	667 m²产量/kg	增产/%
1(CK)	1 992.4	0
2	2 213.7	11.10
3	2 269.6	13.91
4	2 414.8	21.20

Effect of different treatments of Zizania latifolia sheath leaves on the yield and quality of Zizania latifolia

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处理	可溶性总糖含量/%	V_C含量/ (mg·kg^-1)	硝酸盐含量/ (mg·kg^-1)	含水率/ %
1(CK)	3.37	244.5	78.3	91.39
2	3.87	274.3	55.2	91.68
3	3.98	272.7	47.1	91.23
4	3.70	250.4	73.9	91.60

处理	可溶性总糖含量/%	粗纤维含量/%	V_C含量/ (mg·kg^-1)	硝酸盐含量/ (mg·kg^-1)	N含量/ %	P含量/ %	K含量/ %
1(CK)	2.22	20.99	260.6	64.0	3.83	0.876	5.66
2	2.31	25.53	297.9	57.3	3.83	0.906	5.78
3	2.36	26.07	281.2	52.1	3.84	0.900	6.03
4	2.57	22.13	269.4	57.0	3.69	0.834	6.13

处理	不同日期(月-日)每10丛苗数
处理	07-25	08-05	08-15	08-25	09-05	09-15	09-25	10-03
1(CK)	12	35	64	96	125	178	217	212
2	14	36	70	103	131	180	223	220
3	15	51	91	139	154	188	237	228
4	16	56	89	116	146	177	228	224

处理	株高/ cm	叶长/ cm	叶鞘长/ cm	叶宽/ cm	肉茭长/ cm	肉茭宽/ cm	壳茭重/ g	净茭重/ g
1(CK)	190	145.9	44.1	3.0	15.9	3.0	98	66
2	193	149.1	43.9	3.6	17.2	3.4	100	67
3	193	152.6	40.4	3.6	17.9	3.3	102	69
4	194	151.7	42.3	3.5	18.5	3.6	113	80

处理	株高/ cm	叶长/ cm	叶鞘长/ cm	叶宽/ cm	肉茭长/ cm	肉茭宽/ cm	壳茭重/ g	净茭重/ g
1(CK)	175	130.9	44.1	4.19	15.85	3.21	128	75
2	176	132.7	43.3	4.26	16.12	3.23	132	78
3	178	135.2	42.8	4.21	17.98	3.41	134	79
4	182	136.6	45.4	4.27	18.39	3.44	139	81

处理	株高/ cm	叶长/ cm	叶鞘长/ cm	叶宽/ cm	肉茭长/ cm	肉茭宽/ cm	壳茭重/ g	净茭重/ g
1(CK)	180.5	139.0	41.5	3.6	19.0	3.8	138	85
2	180.5	138.5	42.0	3.8	21.0	3.8	141	94
3	186.0	144.0	42.0	4.0	22.2	3.9	145	97
4	195.0	145.0	50.0	4.0	22.5	3.9	147	98

处理	株高/ cm	叶长/ cm	叶鞘长/ cm	叶宽/ cm	肉茭长/ cm	肉茭宽/ cm	壳茭重/ g	净茭重/ g
1(CK)	159	120	39	4.1	14.50	3.26	117	67
2	166	125	41	4.1	14.79	3.32	124	72
3	169	127	42	4.3	14.87	3.46	125	76
4	171	121	45	4.2	16.15	3.42	126	80

处理	试验前后	pH值	全氮含量/ (mg·kg^-1)	速效钾含量/ (mg·kg^-1)	有效磷含量/ (mg·kg^-1)	有机质含量/ (g·kg^-1)	碱解氮含量/ (mg·kg^-1)
1(CK)	试验前	3.72	0.266	142	20.72	57.85	98.9
	试验后	3.92	0.256	135	21.96	56.02	102.3
2	试验前	4.17	0.303	155	30.03	70.96	185.1
	试验后	4.34	0.298	165	30.23	68.90	178.6
3	试验前	4.08	0.300	195	34.46	67.83	207.4
	试验后	4.28	0.312	234	33.20	69.73	221.0
4	试验前	4.08	0.300	195	34.46	67.83	207.4
	试验后	4.56	0.312	225	30.26	69.23	218.6

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处理	667 m²产量/kg	增产/%
1(CK)	1 041.1	0
2	1 137.0	9.21
3	1 188.8	14.19
4	1 228.4	17.99

处理	667 m²产量/kg	增产/%
1(CK)	1 041.1	0
2	1 137.0	9.21
3	1 188.8	14.19
4	1 228.4	17.99

处理	667 m²产量/kg	增产/%
1(CK)	2 036.5	0
2	2 247.8	10.38
3	2 350.0	15.39
4	2 451.2	20.36

处理	667 m²产量/kg	增产/%
1(CK)	2 036.5	0
2	2 247.8	10.38
3	2 350.0	15.39
4	2 451.2	20.36