Abstract
Biochar is a solid and carbon-rich product obtained from the thermal treatment of biomass, which have been widely used in agricultural production and environmental remediation. However, it is unknown whether biochar addition have positive effect on the growth and production of garlic (Allium sativum), an important edible vegetable in China. Thus, we investigated the effects of a wood wastes derived biochar addition at rates of 1.5% and 3% (w/w, 1.5%BC and 3%BC) on the germination, growth, and production of garlic using a pot experiment. The results showed that 1.5%BC significantly increased the weight of fresh roots by 29%, indicating that the 1.5%BC promoted the garlic production. However, the higher dosage treatment (3%BC) slightly inhibited the seedling growth, and decreased the garlic production. Our findings provide useful information for developing biochar-based technology to improve garlic production.
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