The presently disclosed subject matter is directed to nitrapyrin complexes and syntheses thereof finding particular utility in agricultural uses, e.g., directly applied to soil, or in combination with fertilizers to increase nutrient uptake and to inhibit nitrification and urease hydrolysis. More particularly, the subject matter is directed to nitrapyrin complexes, preferably containing specific types of carboxylic and sulfonate repeat units. Other uses of the nitrapyrin complexes and compositions containing nitrapyrin complexes are also disclosed.
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