The Water Requirement Law of Qingyang Apple Tree

doi:10.11924/j.issn.1000-6850.casb2021-0847

Abstract

Abstract:

In order to study the water requirement law of apple trees in semi-arid areas, the soil in the closed fruit tree root region was used as test material to prevent ground evaporation, and the soil moisture content was measured regularly and continuously to estimate the transpiration of fruit trees. The results showed that the main vertical space of soil water absorption of 9-year dwarf interstock fruit tree was 0-60 cm soil layer, and the moisture content of soil layer below 60 cm had no obvious change. The transpiration water consumption of fruit trees was 134 kg/tree in autumn and 104 kg/tree from budding to flowering stage in spring. Therefore, in field management, it is more scientific to determine water-saving irrigation in 0-60 cm wet layer.

Key words: apple tree, water requirement law, soil moisture content, transpiration

CLC Number:

YAO Zhilong, HAN Ping, WANG Junfeng, WANG Jiaqian. The Water Requirement Law of Qingyang Apple Tree[J]. Chinese Agricultural Science Bulletin, 2022, 38(23): 27-31.

Figures/Tables 4

References 10

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日期(年.月.日)	0~10cm	10~20cm	20~30cm	30~40cm	40~50cm	50~60cm	60~70cm	70~80cm	80~90cm	90~100cm	平均
2020.9.5	23.68	22.27	20.33	18.48	18.88	19.05	18.98	18.92	18.90	17.93	19.74
2020.9.12	24.22	21.64	17.99	18.10	17.27	17.60	18.11	17.98	18.15	17.87	18.89
2020.9.19	20.78	20.09	16.78	16.68	16.61	16.68	17.04	17.45	17.15	17.27	17.65
2020.9.26	21.89	18.58	16.42	16.42	16,56	16.64	16.70	17.05	17.03	17.06	17.44
平均	22.67	20.65	17.88	17.42	17.33	17.49	17.71	17.85	17.44	17.40	18.52
2021.4.8	23.14	21.89	21.07	20.14	19.56	18.94	18.56	18.25	18.31	18.21	19.81
2021.4.16	21.95	24.06	20.91	19.86	19.96	19.46	19.31	19.33	19.05	18.74	20.26
2021.4.24	17.09	19.19	19.01	18.88	18.59	18.92	18.55	17.97	17.69	17.16	18.31
2021.4.30	17.87	20.24	18.51	17.42	18.06	18.57	18.30	17.69	17.86	17.66	18.22
平均	20.01	21.35	19.88	19.08	19.04	18.97	18.68	18.31	18.23	17.94	19.15

日期(年.月.日)	0~10cm	10~20cm	20~30cm	30~40cm	40~50cm	50~60cm	60~70cm	70~80cm	80~90cm	90~100cm	平均
2020.9.5	23.68	22.27	20.33	18.48	18.88	19.05	18.98	18.92	18.90	17.93	19.74
2020.9.12	24.22	21.64	17.99	18.10	17.27	17.60	18.11	17.98	18.15	17.87	18.89
2020.9.19	20.78	20.09	16.78	16.68	16.61	16.68	17.04	17.45	17.15	17.27	17.65
2020.9.26	21.89	18.58	16.42	16.42	16,56	16.64	16.70	17.05	17.03	17.06	17.44
平均	22.67	20.65	17.88	17.42	17.33	17.49	17.71	17.85	17.44	17.40	18.52
2021.4.8	23.14	21.89	21.07	20.14	19.56	18.94	18.56	18.25	18.31	18.21	19.81
2021.4.16	21.95	24.06	20.91	19.86	19.96	19.46	19.31	19.33	19.05	18.74	20.26
2021.4.24	17.09	19.19	19.01	18.88	18.59	18.92	18.55	17.97	17.69	17.16	18.31
2021.4.30	17.87	20.24	18.51	17.42	18.06	18.57	18.30	17.69	17.86	17.66	18.22
平均	20.01	21.35	19.88	19.08	19.04	18.97	18.68	18.31	18.23	17.94	19.15

时间(年.月.日)	0~10cm	10~20cm	20~30cm	30~40cm	40~50cm	50~60cm	60~70cm	70~80cm	80~90cm	90~100cm	平均
2020.9.5—2020.9.12	-0.54	0.63	2.34	0.38	1.61	1.45	0.87	0.94	0.75	0.06	0.85
2020.9.12—2020.9.19	3.44	1.55	1.12	1.42	0.66	0.92	1.07	0.53	1.00	0.60	1.24
2020.9.19—2020.9.26	-1.20	1.51	0.36	0.26	0.05	0.04	0.34	0.40	0.12	0.21	0.21
平均	0.57	1.23	1.30	0.69	0.77	0.80	0.76	0.62	0.56	0.41	0.77
2021.4.8—2021.4.16	1.19	-2.17	0.16	0.28	-0.40	-0.52	-0.75	-1.08	-0.74	-0.53	-0.46
2021.4.16—2021.4.24	4.86	4.87	1.90	0.98	1.37	0.54	0.76	1.36	1.36	1.58	1.96
2021.4.24—2021.4.30	-0.78	-1.05	0.50	1.46	0.53	0.35	0.25	0.28	-0.17	-0.50	0.09
平均	1.76	0.55	0.85	0.91	0.50	0.12	0.09	0.19	0.15	0.18	0.53

时间(年.月.日)	0~10cm	10~20cm	20~30cm	30~40cm	40~50cm	50~60cm	60~70cm	70~80cm	80~90cm	90~100cm	平均
2020.9.5—2020.9.12	-0.54	0.63	2.34	0.38	1.61	1.45	0.87	0.94	0.75	0.06	0.85
2020.9.12—2020.9.19	3.44	1.55	1.12	1.42	0.66	0.92	1.07	0.53	1.00	0.60	1.24
2020.9.19—2020.9.26	-1.20	1.51	0.36	0.26	0.05	0.04	0.34	0.40	0.12	0.21	0.21
平均	0.57	1.23	1.30	0.69	0.77	0.80	0.76	0.62	0.56	0.41	0.77
2021.4.8—2021.4.16	1.19	-2.17	0.16	0.28	-0.40	-0.52	-0.75	-1.08	-0.74	-0.53	-0.46
2021.4.16—2021.4.24	4.86	4.87	1.90	0.98	1.37	0.54	0.76	1.36	1.36	1.58	1.96
2021.4.24—2021.4.30	-0.78	-1.05	0.50	1.46	0.53	0.35	0.25	0.28	-0.17	-0.50	0.09
平均	1.76	0.55	0.85	0.91	0.50	0.12	0.09	0.19	0.15	0.18	0.53

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