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Use of polyethylene film in early potato growing for reliability, yield and quality


, : Use of polyethylene film in early potato growing for reliability, yield and quality. Kartoffelbau 35(2): 65-69

In 3-yr trials at Frankenthal, yields of potatoes Erstling and Saskia harvested on 10 June were 28.2 and 29.8 t/ha, resp., when polyethylene mulch was removed on 8 May, compared with 25.7 and 26.2 t, resp., when it was left until 17 May. In trials with 2 at Limburgerhof in 1980-1, yields were 31.4-32.5 t/ha on 3 June with polyethylene mulch, compared with 11.6-19.5 t on 2-3 June and 23.2-32.6 t on 12-15 June without mulch; the percentage of tubers >6 cm in diam. was also higher under mulch.

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