man holds weakened plant with yellow leaves and streaks. deficiency of minerals.

man holds weakened plant yellow leaves streaks deficiency minerals chlorosis nutrient sick disease leaf nitrogen vein zinc magnesium stomata potassium phosphorus background chloroplast elements fertilization floral micronutrient deficiencies foliage garden green lack macro nature season soil spring texture horticulture abstract agriculture damage illness iron natural stem summer weakness impairment mineral disorder chlorophyll hand indicating