NOVELTY - Controlled release fertilizer comprises water-absorbent and water-holding composition, sulfur and macromolecular polymer coated urea, sulfur coated urea, potassium chloride composite fertilizer and zinc sulfate. The water-absorbent and water-holding composition is obtained by mixing and pelletizing weathered coal, water-absorbing resin, soybean powder and corncob powder. The water-absorbent resin is chosen from potassium polyacrylate, polyacrylamide and carboxymethyl cellulose.    USE - The fertilizer is useful for drought resistance corn capable of growing in arid and semiarid soil in Gansu, Ningxia, Shanxi north, Xinjiang south or Neimenggu west region (claimed).    ADVANTAGE - The fertilizer provides nutrient to corn plant, improves yield of corn, and increases fertilization rate of corn in northwest region.    DETAILED DESCRIPTION - Controlled release fertilizer comprises (in parts mass): water-absorbent and water-holding composition (280-350), sulfur (100-150) and macromolecular polymer coated urea, sulfur coated urea (130-170), potassium chloride composite fertilizer (380-420) and zinc sulfate (8-15). The water-absorbent and water-holding composition is obtained by mixing and pelletizing (in parts): weathered coal (150-250), water-absorbing resin (10-30), soybean powder (30-80) and corncob powder (200-300). The water-absorbent resin is chosen from potassium polyacrylate, polyacrylamide and carboxymethyl cellulose. The sulfur and macromolecular polymer coated urea is fertilizer comprising granular urea as core, and is obtained by coating inner sulfur film and coating outer macromolecular polymer film. The core comprises 20% or 25% of sulfur film material, and 2% of macromolecular polymer film. The macromolecular polymer coating agent is mixture of phenolic epoxy resin and triethylenetetramine in a mass ratio of 9:1. The sulfur coated urea is a fertilizer containing granular urea as core material. The content of nitrogen, phosphorus pentoxide and potassium oxide in the fertilizer is 15 wt.%, respectively.