Yield and Economic Benefit of Potato Under Different Planting Patterns in Early Spring

doi:10.11924/j.issn.1000-6850.casb17020001

Abstract

Abstract: This study aims to solve the problem of early spring frosts and potato drought disasters, and enhance the yield of potato. Local potato variety named ‘Cooperation 88’ and introduced variety named ‘Qingshu No.9’ was selected as the main crop of this test. 7 kinds of plant models were used in this experiment, there were the model of potato doubling line width ridge- drip irrigation under white film- mulching, the model of potato doubling line width ridge- drip irrigation, the model of potato doubling line width ridge- white film-mulching, the model of potato doubling line width ridge, the model of potato doubling line width ridge- sandwich straw, the model of potato doubling line width ridge- black film- mulching and the model of potato conventional farming. The result showed that: (1) the yield of the model of potato conventional farming to variety ‘Cooperation 88’ was highest (57.18t/ha), and the yield of the model of potato doubling line width ridge- white film-mulching was second (53.76t/ha) and the yield of the model of potato doubling line width ridge- black film- mulching was lowest(33.23t/ha).The yield of the model of potato doubling line width ridge to variety ‘Qingshu No.9’ was highest (64.26t/ha),the yield of and the model of potato doubling line width ridge- drip irrigation under white film-mulching was second(61.14t/ha),and the yield of the model of potato doubling line width ridge- black film-mulching was lowest(40.46t/ha).(2) The yields of 6 kinds of plant models for ‘Qingshu No.9’ have been higher than ‘Cooperation 88’ except the yield of model of potato conventional farming. (3) The net income (‘Cooperation 88’ 63000yuan/ha, ‘Qingshu No.9’ 84500yuan/ha) and input-output ratio (‘Cooperation 88’ 2.95, ‘Qingshu No.9’ 3.58) of the model of potato doubling line width ridge- black film-mulching were lowest. The net income （142700 yuan/ha） and input-output ratio (5.82) of the model of potato conventional farming for ‘Cooperation 88’ were highest, and the net income（158100yuan/ha） and input-output ratio (6.11) of the model of potato doubling line width ridge for ‘Qingshu No.9’ were highest. Therefore, the model of potato conventional farming was the best planting mode to species- ‘Cooperation 88’ potato, and the model of potato doubling line width ridge was the most appropriate planting mode to species- ‘Qingshu No.9’ in this region, and the ‘Qingshu No.9’ potato was a high yield variety under the condition of suitable cultivation methods and management measures in this region. This study helps to provides data support for selection of appropriate planting mode of potato and promotion in early spring.

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