| Effects of plastic film and ridge furrow cropping patterns on growth and yield of potato in semiarid areas |
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| DOI：10.7606/j.issn.1000-7601.2012.05.11 |
| Key Words: plastic film and ridge-furrow dry-land farming potatoes growth yield |
| Author Name | Affiliation | | DAI Hailin | Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, College of Agronomy, Gansu Agricultural University, Lanzhou， Gansu 730070， China | | QIN Shuhao | Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, College of Agronomy, Gansu Agricultural University, Lanzhou， Gansu 730070， China | | ZHANG Junlian | Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, College of Agronomy, Gansu Agricultural University, Lanzhou， Gansu 730070， China | | WANG Di | Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, College of Agronomy, Gansu Agricultural University, Lanzhou， Gansu 730070， China | | WANG Chunlin | Key Laboratory for Protection and Utilization of Longdong Bio-resource in Gansu Province, Qingyang， Gansu 745000， China | | CHEN Long | Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement, College of Agronomy, Gansu Agricultural University, Lanzhou， Gansu 730070， China |
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| Abstract: |
| “Xin Daping” was used as test materials to study the effects of plastic film and ridge-furrow cropping patterns on growth and yield of potato. The results showed that the ground temperature, plant height, the crown width, length of vertical roots and relative growth rate (RGR) of potato increased significantly by ridge-furrow and film cropping patterns. Compared to the traditional flat stretch coating (T1), the yield of the coated flat stretch (T2), the whole film double furrow sowing (T3), the whole film double ridge broadcast (T4), the semimembranosus film side planting (T5) and half film ridge and furrow ridge sowi
ng (T6) increased by 36.29%, 60.49%, 59.68%, 47.58%, 45.97%, respectively. The yield increase of T4 and T3 was the highest. All the plastic mulched and ridge-furrow cropping patterns improved yield components of potato. Sum of big and midd
le tuber rates, tuber number per plant and tuber yield per plant under T4 and T3 were higher than that of the others, whereas green tuber rate, belt tuber rate under T4 and T3 were lower than that of the others. Therefore, the ridge-furrow and film cropping patterns, especially T4, were good cropping patterns for growth and high yield of potato in this area. |
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