Preliminary study of chemical fertilizer and cattle manure-based bio-slurry application on soil properties and heavy metal concentration in maize (Zea mays L.) grain
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The objective of this study was to evaluate the effect of bio-slurry (BS) and chemical fertilizer (CF) application on the physico-chemical properties of the soil and food safety of maize (Zea mays L.) grain. A field experiment was conducted at Hawassa Universi... ...
