Based on single-factor experiment and L9( 34) orthogonal experiment,a stable ISSR-PCR reaction system of Salvia przewalskii Maxim. was established and optimized
This study was conducted to investigate the effects of different fertilizers on nitrogen,phosphorus and potassium absorption and distribution by celery and the
In view of the current status of the quality risk control of livestock products, the differences between the quality, safety and risk of the livestock products