Boron is absorbed by plant roots from soil and then

Boron is mainly mobilized with the flow of water through the xylem from the roots to the leaves. ... Because some crops make it difficult to visually see a boron deficiency, the best strategy for B is to prevent deficiency with soil application of the micronutrient. Boron is absorbed as boric acid by plants' roots.

Boron is mainly mobilized with the flow of water through the xylem from the roots to the leaves. ... Because some crops make it difficult to visually see a boron deficiency, the best strategy for B is to prevent deficiency with soil application of the micronutrient. Boron is absorbed as boric acid by plants' roots.

answer; i believe that the correct answer is (light);