Sun-plant
1UV-B Radiation. From Environmental Stressor to Regulator of Plant Growth , Samiksha Singh
Ultraviolet-B (UV-B) is electromagnetic radiation coming from the sun, with a medium wavelength which is mostly absorbed by the ozone layer. The biological effects of UV-B are greater than simple… 15824.27 руб электронная книга2Weather Forecasting: The Country Way , Robin Page (2011)
Ever wanted to know if the sun will really shine tomorrow? Well, if you follow the wonderful, clear-sighted advice in this classic book, you could find yourself able to make accurate forecasts… 419.5 руб
