Abstract: to study the different concentrations of Mn2 + with soilless cultivation of Chinese cabbage seedlings after 4 days, 8 days, 12 days, the laid in the influence of the physiological and biochemical
生物工程生物技术专业英语 Chapter 1Introduction 1.1The nature of biotechnology 1.2Historical evolution of biotechnology 1.3Application of biotechnology 1.4Growth in biotechnology 1.5Strategic planning in biotechnology