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    Effect of different fertilizers on the yield and yield-related traits of sesame variety Ezhi No.6
    TANG Xue-hui, TAN Shun-lin, LIU Ke-zhao, CHEN Han-jun, MU Jun
    HUBEI AGRICULTURAL SCIENCES    2020, 59 (1): 22-24.   DOI: 10.14088/j.cnki.issn0439-8114.2020.01.004
    Abstract517)      PDF (1416KB)(229)       Save
    To get simple and efficient formula fertilization, sesame (Sesamum indicum Linn.) variety Ezhi No.6 was adopted to study the effect of different N, P, K fertilizers on sesame yield and yield-related traits by “3414” fertilizers application experiment. The results showed that the different levels of N, P, K have different effects on the yield of sesame, and the nitrogenous fertilizer had the highest effects. Among 14 treatments, the yield of treatment of 292.5 kg/hm2 urea, 249.0 kg/hm2 superphosphate and 150.0 kg/hm2 muriate of potash kalium chloratum (N3P2K2) was the highest, and the yield was 1 751.0 kg/hm2; The yield of treatment of 195.0 kg/hm2 urea, 124.5 kg/hm2 superphosphate and 150.0 kg/hm2 muriate of potash kalium chloratum (N2P1K2) was the second, and the yield was 1 682.0 kg/hm2; The yield of no fertilization treatment(N0P0K0) was the lowest, and the yield was 1 302.0 kg/hm2. The optimum ratio of N, P and K is 10∶2∶7.
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    Preliminary study on cultivation patterns and effect of high-starch sweet potato varieties
    YE Xing-zhi, CHEN Qiao-ling, QU Yong, XU Yi, HAO Miao, ZHANG Deng-hong, WANG Zhen, CHENG Qun
    HUBEI AGRICULTURAL SCIENCES    2020, 59 (1): 25-27.   DOI: 10.14088/j.cnki.issn0439-8114.2020.01.005
    Abstract421)      PDF (1458KB)(260)       Save
    In order to explore the high yield cultivation mode of high starch sweet potato [Ipomoea batatas (Linn.) Lamarck], the effects of four factors including different fertilizers, sweet potato cultivars, planting densities and mulching types on vine yield, fresh root tuber production, dry matter rate and T/R value(ratio of fresh vine yield and fresh root tuber production)were studied by an orthogonal randomized test. The results showed that combination A3B1C3D2, that is, applying compound fertilizer, choosing Shangshu 19, covering black film, planting density of 59 895/hm2, had the highest production of fresh root tuber. The vine yield, dry matter rate and fresh root tuber production of compound fertilizer was the highest; The effect of sweet potato cultivar on vine and T/R value was the most remarkable; Mulching can improve dry matter content and the production of haulm and tuber; And the effect of cultivation density on dry matter content was the highest.
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