Phosphorus deficiency symptoms in vegetables
Phosphorus plays an important role in the growth and development of crops. Whether it is the division of cells, the synthesis of sugar, or the rooting, flowering and fruiting, the participation of phosphorus is needed. In the absence of phosphorus in vegetables, the stems are weak, fibrosis, and the leaves are dark green. Many leaves of the vegetables appear purple on the back, and the buds and fruit ripening are significantly delayed. If the phosphorus is insufficient, the potato leaves become dark green and the tomato leaves become Lilac. When such symptoms are found, quick-acting phosphate fertilizers (such as superphosphate) should be applied in time, which can be applied to the roots or sprayed on the leaves with 2-5% superphosphate calcium leaching solution.
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