Premature leaf fall is caused due to the deficiency of

Less concentration of which mineral causes delay in flowering?

Plants show certain morphological changes due to the absence of a specific element. These morphological changes are indicative of the deficiency of that particular element,which are called $........$ of the element.

High fluoride concentration in plants typically results in necrosis or chlorosis in:

Explain the deficiency symptoms of essential elements in plants.

Yellowish edges appear in leaves deficient in $....$