| 摘要 |
PROBLEM TO BE SOLVED: To provide a compound fertilizer all amounts of which are used as basal dressings to increase the yield of the crops as well as improve the quality of the crops. SOLUTION: This compound fertilizer comprises a plurality of granular fertilizers that are different in their nitrogen forms and their application patterns. In a preferred embodiment, more than one third of the nitrogen form is in the nitrate form and the application pattern is a parabola type or a linear type of coated granular fertilizers, and more than two third is in the urea form and/or in the ammonia form and the application pattern is a sigmoid type of coated granular fertilizers, and they are blended. |
