TLF ID L540
Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and light duration. This learning object is a combination of three learning objects in the same series.
3; 4; 5; 6; 7; 8