In the two-year field trials the effect of row covering of early potatoes were investigated on the total tuber yield and the yield of ware potatoes. Experiments were performed with cv. Adora at the Přerov on Labem locality in the Czech Republic. Row covering with textile positively influenced the yield of ware potatoes during harvest 67 days after planting (in the variant with the textile removed on 25th day after planting it was 20.1% higher as compared to the variant when the textile was removed on 45th day after planting).
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