make a table of content drawing to illustrate that the fluorescent probe monitors the salt (NaCl) concentration in crops. When the salt concentration is high, the fluorescence is dim; while the salt concentration is low, the fluorescence is bright. Make this drawing in a white background. :: 
make a table of content drawing to illustrate that the fluorescent probe monitors the salt (NaCl) concentration in crops. When the salt concentration is high, the fluorescence is dim; while the salt concentration is low, the fluorescence is bright. Make this drawing in a white background. :: --v 4
make a table of content drawing to illustrate that the fluorescent probe monitors the salt (NaCl) concentration in crops. When the salt concentration is high, the fluorescence is dim; while the salt concentration is low, the fluorescence is bright. Make this drawing in a white background. ::
a diagram of a plant in a greenhouse
a person is writing on a blackboard with a marker
a drawing of a plant with a pen and pencil
a drawing of a desk with a computer and a pen