Claim 1: An agricultural formulation, characterized in that it comprises a compound of formula (1) wherein R¹ is selected from the group consisting of H, C₁₋₆ alkyl,C₂₋₆ alkenyl,1. C 83228331 asphalt；1. Cyclopropyl, isopropyl, arillo and heteromorphic groups； 2. Each group was replaced by one to four r7491 groups；each R²ᵃ is independently selected from the group consisting of H, halogen, C₁₋₆ alkyl,C₁₋₆ alkoxy,C₁₋₆ haloalkyl,C₁₋₆ haloalkoxy,C₂₋₆ alkenyl,1. C 83228331 asphalt；-OH alquil C hidroxilo -CN -NO-C (O) R-C (O) OR-OC (O) R-C (O) 74955th； 758080th；-No. 74955； C (o) No. 758080；-SO₂R²ᵇ,-SO₂OR²ᵇ,2. So832228； 749595； 758080；y -NR SO R2. Each rs74955 and r758080 shall be elected separately from H and C 832183311 rental groups；Each R3,R⁴ and R⁵ are independently selected from the group consisting of H and C₁₋₆ alkyl；L is a connector that is chosen from the group consisting of a bond and C₁₋₆ alkylene；The secondary index m is an integer from 0 to 4； the secondary index n is an integer from 0 to 3； or salt or salt isomer. 11. Claim 11: the expression of claim 1, characterized in that the compound is a compound formula (2). Claim 12: claim 1, which is characterized in that the claim includes at least one fungicide, one herbicide, one pesticide, one nematicide, one pesticide, one plant active agent, one synergist, one insurance herbicide, one plant growth regulator, one insect insecticide, one pesticide, one soft chemical,Or fertilizer. Requirement 15: a method of increasing abiotic stress tolerance of plants, characterized by a sufficient number of items 1 to 14 to increase abiotic stress tolerance of plants, rather than contact. Claim 19: the method of claim 15, which is characterized by the management of the preparation process to plants by aircraft or irrigation； claim 20: the method of preventing seeds from germinating in plants,Claim 21: a plant in connection with the filing of any one of claims 1 to 14, which is characterized by linking a sufficient number of se
