| abstract |
The present invention provides a foliar spraying agent capable of foliar spraying of urea for fertilizer and a method for producing the same, while avoiding the occurrence of a biuret failure. (A) 2: 1 type clay mineral having a base substitution capacity of 60 milligram equivalent or more and a particle size of 0.15 mm or less, (b) the 2: 1 type clay mineral converted to acid clay, (c) 2: 1 type clay mineral as described in (a) or (b) above, containing trace elements, special components, etc. composed of acetic acid clay, potassium molybdate, zinc sulfate, manganese sulfate, ammonium citrate, copper sulfate, boric acid, etc. Or (d) A foliar spray obtained by blending urea for fertilizer with the 2: 1 type clay mineral of (a) or (b) blended with sucrose and magnesium acetate. [Selection] Figure 1 |