RESEARCH TRIANGLE PARK, N.C.–(BUSINESS WIRE)–AMGUARD™ Environmental Technologies (“AMGUARD”), the specialty markets division of AMVAC Chemical Corporation, a wholly owned subsidiary of American Vanguard Corporation (“AVD”), is pleased to announce it has entered into a supply agreement with NewLeaf Symbiotics® to bring biological solutions to major North American specialty markets. Under the agreement, AMGUARD becomes the exclusive seller of NewLeaf products including bio-stimulants and bio-pr
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