Now fertilizer has become a must for growing crops, but do you know that too much fertilizer will harm? Let’s take a closer look today.
Nitrogen-1. The leaves are dark green and the leaves are large and soft 2. Less flowers, long
Phosphorus-1, easy to cause zinc and copper deficiency symptoms 2, easy to cause iron deficiency symptoms, erythema in the lower leaves
Potassium-1, easy to cause calcium and magnesium deficiency symptoms 2, leaf tip burnt
Calcium-1. The soil tends to become neutral or alkaline, causing insufficient trace elements (iron, manganese, zinc) 2. The color of the mesophyll becomes lighter, and red spots or streaks appear on the tip of the leaf.
Magnesium-1, withered leaf tips 2, leaf tissue color lightness at the leaf tip, normal color at the base of the leaf
Sulfur-1, salt damage, scorched leaf margin
Iron-1, easy to cause manganese deficiency
Boron-1. The tip of the leaf first, after the leaf edge is yellowed, the whole leaf is yellowed, and the leaves are fallen 2. The disease starts from the mature leaves
Zinc-1, the leaf tip and the edge of the leaf are lighter in color, and then gangrene 2. The tip of the leaf has small water-soaked spots
Manganese-1, abnormal deciduous
Copper-1, the mesophyll tissue is lighter in color and has stripes