MICROSEED WR is the only microgranular fertilizer in which the starter effect, given by the combination of nitrogen, phosphorus, and zinc, is combined with the management of soil water retention due to the presence of the plant polymer WR. MICROSEED WR works like a sponge: it captures water in the soil and gradually releases it during its slow degradation, which occurs over 4-6 months depending on the organic matter content in the soil. The presence of the polymer allows the formation of a COMFORT ZONE around the seed or roots favoring the development of the crop even under conditions of water stress such as drought years and in sandy/light soils.The use of MICROSEED WR is recommended in sandy soils, drought years, farms with difficulties in water supply. MICROSEED WR is characterized by a spherical, compact, flowable microgranule with a diameter of 0.3-1.0 mm that can be distributed by microgranulator or layered with seed, only that of straw cereals (10 kg MICROSEED WR for every 100 kg of seed), thus reducing waste, optimizing logistics, and maximizing fertilizer efficiency.