Nutrient deficiencies in apples
Macro-N (nitrogen) deficiency Nitrogen deficiency in apple trees reduces growth, production, and fruit quality. Lower leaves turn light green to yellow, and new leaves ... Read more
Nutrient deficiencies in citrus fruits
Macro-N (nitrogen) deficiency Nitrogen deficiency in citrus causes leaves to turn pale green to yellow, with symptoms beginning on older leaves and progressing to ... Read more
Nutrient deficiency in grapes
Macro-N (nitrogen) deficiency The first sign of nitrogen deficiency is yellowing or pale greening of the lower leaves (older leaves). The growth of shoots ... Read more