Reaction products and methods for making and using the same

1. A fertilizer comprising:

a nitrogen source;

a reaction product having a pH of 7 or greater comprising formaldehyde, a nitrification inhibitor, urea, and an ammonia source; and

at least one of a fertilizer nutrient, pesticide, herbicide, or fungicide.

2. The fertilizer of claim 1 , wherein the nitrogen source is urea, anhydrous ammonia, aqueous ammonia, ammonium nitrate, urea-formaldehyde polymers, or a combination thereof.

3. The fertilizer of claim 1 , wherein the nitrification inhibitor is 2-chloro-6-trichloromethylpyridine; 5-ethoxy-3-trichloromethyl-1,2,4-thiadiazol; dicyandiamide (DCD); 2-amino-4-chloro-6-methyl-pyrimidine; 4-amino-N-1,3-thiazol-2-ylbenzenesulfonamide; thiourea; guanidine; 3,4-dimethylpyrazole phosphate; 2,4-diamino-6-trichloromethyl-5-triazine; polyetherionophores; 4-amino-1,2,4-triazole; 3-mercapto-1,2,4-triazole; carbon bisulfide; sodium trithiocarbonate; ammonium dithiocarbamate; N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-alanine methyl ester; 1-hydroxypyrazole; 2-methylpyrazole-1-carboxamide; derivatives thereof; or a combination thereof.

4. The fertilizer of claim 3 , wherein the nitrification inhibitor is DCD.

5. The fertilizer of claim 1 , wherein the ammonia source is ammonium hydroxide, ammonium chloride, ammonium nitrate, ammonia, or a combination thereof.

6. The fertilizer of claim 5 , wherein the ammonia source is ammonium chloride.

7. The fertilizer of claim 1 , wherein the fertilizer nutrient is selected from phosphorous and/or potassium based nutrients and combinations thereof.

8. The fertilizer of claim 1 , wherein the reaction product has a pH of about 8 to about 11.

9. The fertilizer of claim 1 , wherein the reaction product comprises about 25 mol % to about 65 mol % of formaldehyde based on the total weight of the formaldehyde, the urea, the ammonia source, and the nitrification inhibitor.

10. The fertilizer of claim 1 , wherein the reaction product comprises about 5 mol % to about 25 mol % of the nitrification inhibitor based on the total weight of the formaldehyde, the urea, the ammonia source, and the nitrification inhibitor.

11. The fertilizer of claim 1 , wherein the fertilizer further comprises a urease inhibitor.

12. The fertilizer of claim 11 , wherein the urease inhibitor is N-(n-butyl)thiophosphoric triamide (NBPT), N-(n-butyl)phosphoric triamide, thiophosphoryl triamide, phenyl phosphorodiamidate, cyclohexyl phosphoric triamide, cyclohexyl thiophosphoric triamide, phosphoric triamide, hydroquinone, p-benzoquinone, hexamidocyclotriphosphazene, thiopyridines, thiopyrimidines, thiopyridine-N-oxides, N,N-dihalo-2-imidazolidinone, N-halo-2-oxazolidinone, or a combination thereof.

13. The fertilizer of claim 12 , wherein the urease inhibitor is NBPT.