The Application Effect of Ridge Cultivation Without Film Mulching on Potato of Dry Land in the Shallow Mountainous Area of Qinghai Province

doi:10.11924/j.issn.1000-6850.casb2022-0015

Abstract

Abstract:

The effects of ridge cultivation pattern on potato growth, photosynthesis and yield were explored to provide a scientific basis for the popularization and application of ridge cultivation without film mulching in dry land of shallow mountainous area in Qinghai Province. In the 2-year positioning experiment, the treatment of ridge cultivation without plastic film mulching was set up, and the control treatment was the ridge cultivation with plastic film mulching. The growth, photosynthesis and yield of potato under different treatments were analyzed. The results showed that there was no significant difference of plant height, leaf chlorophyll content, leaf photosynthetic characteristics, yield and commodity rate between the treatments. In the dryland of the shallow mountainous area in Qinghai Province, the ridge cultivation without film mulching can be popularized and applied in potato production, but it still needs multi-point verification to control the risks.

Key words: ridge cultivation, no film mulching, potato, Qinghai, dry land in the shallow mountainous area

SU Wang, ZHOU Yun, WANG Jian. The Application Effect of Ridge Cultivation Without Film Mulching on Potato of Dry Land in the Shallow Mountainous Area of Qinghai Province[J]. Chinese Agricultural Science Bulletin, 2023, 39(10): 5-8.

Figures/Tables 5

References 20

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年份	全N/(g/kg)	全P₂O₅/(g/kg)	全K₂O/(g/kg)	碱解N/(mg/kg)	速效P/(mg/kg)	速效K/(mg/kg)	有机质/(g/kg)	pH
2020	1.23	2.19	23.31	93.00	13.40	173.00	18.05	8.35
2021	1.28	2.17	21.48	84.00	15.70	180.00	18.37	8.50

年份	全N/(g/kg)	全P₂O₅/(g/kg)	全K₂O/(g/kg)	碱解N/(mg/kg)	速效P/(mg/kg)	速效K/(mg/kg)	有机质/(g/kg)	pH
2020	1.23	2.19	23.31	93.00	13.40	173.00	18.05	8.35
2021	1.28	2.17	21.48	84.00	15.70	180.00	18.37	8.50

年份	处理	株高
2020年	T1	80.1a
2020年	T0	84.1a
2021年	T1	65.1a
2021年	T0	68.8a

年份	处理	株高
2020年	T1	80.1a
2020年	T0	84.1a
2021年	T1	65.1a
2021年	T0	68.8a

年份	处理	叶绿素含量
2020年	T1	47.42a
2020年	T0	47.49a
2021年	T1	55.61a
2021年	T0	55.29a