Productivity of wheat (Triticum aestivum) as influenced by zinc fertilization under semi-arid conditions of Kandahar, Afghanistan

Q4 Agricultural and Biological Sciences

Indian Journal of Agronomy Pub Date : 2023-07-01 DOI:10.59797/ija.v68i2.363

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引用次数: 2

Abstract

A field experiment was conducted during winter (rabi) season of 2019–20, at research farm of the Afghanistan National Agricultural Sciences and Technology University (ANASTU), Kandahar, Afghanistan, in randomized complete-block design to find out the effect of zinc on growth, yield and yield-attributing characters of wheat (Triticum aestivum L.). Results revealed that, plant height (100.3 cm), number of tillers/m2 [346 at 60 days after sowing (DAS) and 576 at 90 DAS], leaf-area index (1.98), dry-matter production (291 g/m2 ), number of spikes/m2 (319), spikelets/spike (20.7), grains/spike (51.1) and 1,000-grain weight (52.2 g) obtained with the application of 2.5 kg Zn/ha as basal + 2 foliar sprays @ 0.5% through ZnSO4 , were significantly higher over rest of the treatments. Grain yield (4.09 tonnes/ha), straw yield (6.39 tonne/ha), biological yields (10.2 tonne/ha) and harvest index (40%) too were recorded higher under the application of 2.5 kg Zn/ha as basal + 2 foliar sprays @ 0.5% through ZnSO4. Gross returns (147.23 × 103 `/ha), net returns (103.39 × 103 `/ha) and benefit: cost ratios (3.19) were also higher with the application of 2.5 kg Zn/ha as basal + 2 foliar sprays @ 0.5% through ZnSO4 . Overall, the soil application of 2.5 kg Zn/ha as basal through ZnSO4 + 2 foliar sprays of ZnSO4 @ 0.5% was best in terms of growth, yield and profitability of wheat.

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阿富汗坎大哈半干旱条件下锌肥对小麦产量的影响

为研究锌对小麦(Triticum aestivum L.)生长、产量和产量属性的影响，于2019 - 2020冬季(rabi)季在阿富汗坎大哈的阿富汗国立农业科技大学(ANASTU)研究农场采用随机完全区组设计进行田间试验。结果表明，播种后60天(346个)和90天(576个)分蘖数、叶面积指数(1.98)、干物质产量(291 g/m2)、穗数(319)、小穗数/穗数(20.7)、粒数/穗数(51.1)和千粒重(52.2 g)均显著高于其他处理。在施用2.5 kg锌/公顷(基喷+叶喷2次，浓度为0.5%)的情况下，籽粒产量(4.09吨/公顷)、秸秆产量(6.39吨/公顷)、生物产量(10.2吨/公顷)和收获指数(40%)也有所提高。施用2.5 kg锌/公顷(基喷+叶喷2次，浓度为0.5%)，总收益(147.23 × 103’/公顷)、净收益(103.39 × 103’/公顷)和效益:成本比(3.19)也更高。综上所述，通过ZnSO4 + 2叶片喷施ZnSO4 @ 0.5%，以2.5 kg Zn/ hm2为基础，对小麦的生长、产量和盈利效果最好。

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来源期刊

Indian Journal of Agronomy Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.50

自引率

0.00%

发文量

期刊介绍： Indian Journal of Agronomy welcomes concise articles presenting original research data based on field experiments on all aspects of agronomy in different crops and related cropping systems. • The journal publishes only full length comprehensive articles based on new approaches/findings in English only. • Review articles are also considered but these are normally solicited by Editorial Board. However, the authors who wish to contribute a review on their own based on their standing in the relevant field may contact the Secretary or Chief Editor with a broad outline before submitting the manuscript.