Deficiency Symptoms Older leaves generally at the bottom of the plant, turns yellow. Remaining foliage often turns light green. Stem may also gets yellow, growth reduces, flowering and fruit setting is less, finally leaves fall off. Conditions Affecting N Availability Sandy or Light soil Low organic matter Water logged soil Soil with structural problem, poor aeration Soils depleted of N by previous crop Leaching of nitrate can move N out of the root zone Our Products Recommended Nitrocal Fertogen grades: 19:19:19 30:10:10 +