Phosphorus promotes tillering in cereals and grasses. application of phosphorus to crops in later districts warrants adoption with the view of reducing the length of the growing period and hastening the harvest.

• 磷还促进禾谷类作物的分蘖。在作物生长季节较晚的地区，施磷值得提倡，因为它可缩短生育期，促进早熟。