Fire RetardantMechanism of the Non-managed andPartlyManagedMulti-layer Firebreak Forests EFFECT OF N-PROTECTING COMPOUND AMMONIUM BICARBONATE AND ITS MECHANISM Study on the IncidenceMechanism of the Thick Rotten D isease ofZ iziphus zizyphus ( L. ) Meikle. cv. ‘Jinsixiaozao‘ Advances in Research on Chemical Components in Garlic(Amum sativum)and Mechanism of Their Inhibitory Reaction with Pathogens in Plants Advances in Research on Chemical Components in Garlic(Amum sativum)and Mechanism of Their Inhibitory Reaction with Pathogens in Plants