An agricultural product as well as its manufacturing method, the product being solid, disintegrable and including at least one agricultural active ingredient and one matrix based on a plant-origin material, the matrix having a plant protein content of at least 30% by weight relative to the dry weight of the plant-origin material and a lipid content of at most 10% by weight relative to the dry weight of the plant-origin material, and being present in the product in a proportion of at least 75% by weight relative to the weight of the product, and the agricultural active ingredient being dispersed, in a homogeneous way, in the matrix, the product having a density from 1300 to 1500 kg/m3.