Nitrification inhibition and dose-dependent effect of dicyandiamide on sandy, loamy and clayey soils Inhibition of Hypocrellin A against 18 pathogenic fungi Allelopathic effects of fresh parsley root acetone extracts on Fusarium oxysporum f. sp. cucumberinum and allelochemicals identification Effects of different nitrogen regulators on nitrogen transformation in different soil types. Differences among the Growths and Cu2+ Uptakes of the Seedlings of Different Cabbage Genotypes under Cu2+ Stress Immunoregulatory activity of polysaccharopeptide and astragalus polysaccharides on EAC Tumor-bearing mice Eco-toxicology of heavy metals on the inhibition of seed germination and root elongation of wheat in soils The pollution monitoring index system of wheat at different growth stages under the stress of Cd,Cr and Pb Phomopsis asparagi toxin preparation and the resistance induction on asparagus callus by the pathogen toxin Eco-toxicological Effects of Phenanthrene, Pyrene and 1,2,4-Trichlorobenzene in Soils on the Inhibition of Root Elongation of Higher Plants