main chemical composition 第1页

Main chemical compositions with volatility in peel essential oil and seed oil of Pittosporum pentandrum var.formosanum capsule EFFECT OF COMBINED APPLICATION N,P AND K FERTILIZER ON AGRONOMIC CHARACTERS AND THE MAIN CHEMICAL COMPONENTS OF FLUE-CURED TOBACCO Effect of NH4+-N/NO3--N ratio in applied supplementary fertilizer on nitrogen metabolism and main chemical composition of Pinellia ternata