▎ 摘　　要

NOVELTY - Fertilizer composition comprises 0.25-1 pts. wt. graphene sol and 5000-10000 pts. wt. earthworm manure. USE - The fertilizer composition is useful in the field of agricultural planting, preferably grain, economic crop, oil crop, legume crop, Chinese herbal medicine, flower, tea, tobacco, vegetable and fruit planting (claimed); and for promoting plant root development and plant growth. ADVANTAGE - The composition: includes graphene, which has large specific surface area, net-shaped sheet layer structure, strong loading ability, strong hydrophilicity and good dispersibility in water, can absorb and slow release various nutrient substance, and is good for plant absorption. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the fertilizer composition, comprising mixing the graphene sol and earthworm manure, drying the obtained mixture, crushing, and granulating to obtain the fertilizer composition.