Frontiers15d
Effects of exogenous SLs on growth and physiological characteristics of flue-cured tobacco seedlings under different degrees of drought stress
Under drought stress, chlorophyll content and photosynthetic parameters ... Biotechnology Co., LTD.), with the concentration calculated from the absorption value at 450 nm wavelength using an enzyme ...
Frontiers21d
Hyperspectral estimation of chlorophyll density in winter wheat using fractional-order derivative combined with machine learning
Chlorophyll is an important pigment for photosynthesis in ... CO, USA), with a collection wavelength range of 350-2500 nm. The 350~1000 nm spectral sampling interval is 1.4 nm, and the spectral ...