Mineral Composition of Potted Cabbage (Brassica Oleracea Var. Capitata L.) Grown in Zeolite Amended Sandy Soil

Vegetables are essential components in human diets because they are rich in vitamins, minerals, and dietary fibre. There is a growing interest in human nutrition enhancement through vegetable consumption to reduce micro mineral deficiencies, especially in households with low buying power. A greenhou...

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Bibliographic Details
Published in:Agriculture 2021-10, Vol.67 (3), p.103-112
Main Authors: Sindesi, Olwetu A., Lewu, Muinat N., Ncube, Bongani, Mulidzi, Reckson, Lewu, Francis B.
Format: Article
Language:English
Subjects:
Brassica
Brassica oleracea
cabbage
Composition
Dietary fiber
Dietary minerals
Growing season
Households
Human nutrition
Iron
Micronutrients
Mineral composition
Minerals
Nutrition
Phosphorus
Sandy soils
Soil amendment
Soil chemistry
soil conditioner
Soil conditions
soil fertility
Soil improvement
Soil pH
Vegetables
Vitamins
zeolite
Zeolites
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Summary:Vegetables are essential components in human diets because they are rich in vitamins, minerals, and dietary fibre. There is a growing interest in human nutrition enhancement through vegetable consumption to reduce micro mineral deficiencies, especially in households with low buying power. A greenhouse pot experiment was conducted to evaluate the effect of zeolite amendment on the mineral composition of cabbage ( var. L.), in relation to the soil chemical status. The experiment was carried out over two growing seasons (winter/spring) of 2018 and 2019. The treatments were in the ratios of 0:10, 1:9, 2:8, 3:7 zeolite to sandy soil, on a weight-to-weight basis. Zeolite improved soil chemical status ( < 0.05), except for soil iron (Fe) and phosphorus (P) contents. There was also a general improvement of macro minerals in cabbage with increased zeolite application, especially in the second season. Zeolite did not improve the micronutrients of the vegetable. This indicates that cabbage planted under zeolite amended soils provides no additional contribution to the fight against micronutrient deficiencies. However, zeolite showed potential for soil conditioning in soil macronutrients and soil pH.
ISSN:1338-4376
0551-3677
1338-4376
DOI:10.2478/agri-2021-0010