| Study on key techniques of potato production in Qinwangchuan irrigation area |
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| DOI：10.7606/j.issn.1000-7601.2010.04.30 |
| Key Words: Qinwangchuan imigation area potato key techniques |
| Author Name | Affiliation | | LI Zhang | Institute of Potato, Gansu Academy of Agricultural Sciences, Lanzhou，Gansu 730070, China | | ZHENG Yongwei | Institute of Potato, Gansu Academy of Agricultural Sciences, Lanzhou，Gansu 730070, China | | HE Sanxin | Institute of Potato, Gansu Academy of Agricultural Sciences, Lanzhou，Gansu 730070, China | | LV Xingmi | Office of Demonstraion Bases of Qinwangchuan Agricultural Hi-tech Development of Gansu Province，Lanzhou, Gansu 730000, China |
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| Abstract: |
| To overcome constraints such as rigid restrictions, salinization and tuber easily deformed green top, facing potato production in Qinwangchuan irrigation area, planting pattem, variety，water-saving irrigation techniques and
planting techniques were investigated in the study, key techniques for potato production in Qinwangchuan were as follows, 75 cm width with a large ridge mulching cultivation，use of early-maturing varieties of LK99, 50 g virus-free potato seed about 1 small whole potato, sown early in April, 4 500 points/667m2, the whole growth period in four irrigation 160 m3/667m2, growing season topdressing 5~10 kg 50% potassium, 2 000 kg goods of potato can be obtained in 667 m2. Potato industrial production in Qinwangchuan can be realized by carrying out early mature cultivation a large ditch and high ridge mulching soil cultivation mode. |
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