Study on Selected Metals and Nutritional Status of Maize (Zea mays L.) Grown under Different Rates of Fertilizers in Wolaita Zone, Southern Ethiopia

Agricultural Science Digest – A Research Journal Pub Date : 2023-07-03 DOI:10.18805/ag.df-529

Desalegn Dana Dinato, Alemu Lelago, Mesfin Bibiso, Abraham Bosha

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Abstract

Background: The main aim of this study was to investigate the nutritional value of maize samples grown under the different rates of blended fertilizer in Wolaita Zone, southern Ethiopia. Methods: Maize samples that were grown under combined application of the two fertilizers (K and NPSB) with ratio rates of (0:0, 25:50, 50:100, 75:150 and 100:200) kg ha-1 were used as treatment. The content of nutrients from the maize was determined by flame atomic absorption spectrometry. Result: The mean concentration of metal in the maize sample ranged as (mg/kg): Ca (512.48-725.86), K (786.62-901.907), Mg (440.23-618.61), Fe (31.52-39.63), Zn (29.45-35.58), Pb (0.005-0.034), Cd (0.014-0.13). The study also revealed that the proximate analysis of the maize sample grown under different rates of blended fertilizer ranged as moisture (5.57-9.56%), ash (0.76-2.29%), fat (2.83-5.95%), fiber (0.93-2.25), 6.83-11.86% and Carbohydrate (68.08-83.07%). For most metals and nutritional values, the highest content was obtained in maize samples grown under the application of 100 K and 200 NPSB kg per hectare.

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玉米(Zea mays L.)金属选育及营养状况研究埃塞俄比亚南部Wolaita地区不同比例化肥的种植

背景:本研究的主要目的是研究埃塞俄比亚南部Wolaita地区不同比例混合肥料下种植的玉米样品的营养价值。方法:以两种肥料(钾和氮磷钾)配施比例为(0:0、25:50、50:100、75:150和100:200)kg hm -1的玉米样品为处理。采用火焰原子吸收光谱法测定了玉米中营养物质的含量。结果:玉米样品中金属元素的平均浓度为(mg/kg): Ca(512.48 ~ 725.86)、K(786.62 ~ 901.907)、mg(440.23 ~ 618.61)、Fe(31.52 ~ 39.63)、Zn(29.45 ~ 35.58)、Pb(0.005 ~ 0.034)、Cd(0.014 ~ 0.13)。研究还发现，不同混肥配比下玉米样品的近似分析范围为水分(5.57 ~ 9.56%)、灰分(0.76 ~ 2.29%)、脂肪(2.83 ~ 5.95%)、纤维(0.93 ~ 2.25)、6.83 ~ 11.86%和碳水化合物(68.08 ~ 83.07%)。对于大多数金属和营养价值，100 K和200 NPSB kg /公顷处理下的玉米样品含量最高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Agricultural Science Digest – A Research Journal

CiteScore

0.50

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0.00%

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