孟加拉钙质和阶地土壤小扁豆品种对施锌的农艺性状响应

Md Ashraf Hossain, M. Quddus, Md. Abdus Sattar, Md. Babul Anwar, S. Aktar, Mohammad Hossain Sarker, M. Ali
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引用次数: 0

摘要

锌(Zn)施肥反映了全球粮食安全的重要农艺战略。土壤缺锌会导致作物减产。因此,在拉比季节,在孟加拉国农业研究所(BARI)加齐浦尔豆类研究分站研究农场和区域农业研究站(RARS)伊什瓦迪和杰索尔研究农场进行了为期两年的试验,以评估不同品种扁豆对锌施肥的敏感性,并从产量和种子中锌矿物含量方面评价锌。共12个处理组合,包括6个扁豆品种(V1 = BARI Masur-2, V2 = BARI Masur-3, V3 = BARI Masur-4, V4 = BARI Masur-5, V5 = BARI Masur-6和V6 = BARI Masur-7)和2个锌水平(0和2 kg ha-1)。试验采用裂区设计,重复3次。结果表明,锌水平和品种对植株生长、产量性状和产量均有显著的正向影响。品种中种子产量最高的是BARI Masur-7,其次是BARI Masur-6。品种与锌的相互作用表明,V6Zn2处理的最高平均种子产量为加济浦尔1568 kg ha-1,伊舒尔迪2396 kg ha-1, Jashore 1639 kg ha-1。V6Zn2处理提高了蛋白质含量(Gazipur 28.5%, Ishurdy 28.9%, Jashore 29%)和锌含量(Gazipur 70.2 ppm, Ishurdy 73.6 ppm, Jashore 69.9 ppm)。结果表明,在孟加拉国梯田和钙质土壤中,施用2 kg Zn ha-1可以提高小扁豆的品质,实现产量最大化。本研究建议进行另一项试验,通过在缺锌土壤中施用不同锌量,进一步监测和确定适宜的锌剂量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Response Agronomic Traits of Lentil Varieties to Zinc Fertilization in Calcareous and Terrace Soils of Bangladesh
Zinc (Zn) fertilization is reflected a significant agronomic strategy for global food security. Deficiency of zinc in soils could be caused to decrease the crop yield. Hence an experiment was made over two years at the research farm of Pulses Research Sub-Station of Bangladesh Agricultural Research Institute (BARI), Gazipur and in the research farm of Regional Agricultural Research Station (RARS), Ishwardi and Jessore, during Rabi season to assess the sensitivity of different varieties of lentil to Zn fertilization and evaluate the Zn in terms of yield and Zn mineral content in seed. There were 12 treatment combinations comprising six lentil varieties (V1 = BARI Masur-2, V2 = BARI Masur-3, V3 = BARI Masur-4, V4 = BARI Masur-5, V5 = BARI Masur-6 and V6 = BARI Masur-7) and two levels of zinc (0 and 2 kg ha-1). The experiment was laid out in split-plot design with three replications. Results reveal that growth, yield attributes and yield varied positively by zinc level and variety. Among the varieties, BARI Masur-7 followed by BARI Masur-6 gave the highest seed yield. Interaction of variety and zinc the highest mean seed yield (1568 kg ha-1 at Gazipur, 2396 kg ha-1 at Ishurdy and 1639 kg ha-1 at Jashore) produced by the treatment V6Zn2. The improved protein content (28.5% at Gazipur, 28.9% at Ishurdy and 29% at Jashore) and zinc content (70.2 ppm at Gazipur, 73.6 ppm at Ishurdy and 69.9 ppm at Jashore) was achieved in V6Zn2 treatment. The result, suggest that 2 kg Zn ha-1 could be applied in any lentil variety for quality improvement and yield maximization in terrace and calcareous soils of Bangladesh. The current study recommended conducting another experiment for further monitoring and determining the appropriate Zn dose for lentil production through application of different zinc rates in Zn- deficient soils.
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