Autumn is the gold period for apple harvest and fertilization. There will make great difference if fertilizing in different time. Fertilization in autumn is so important just because autumn is the key time for plants’ growing. So we must pay more attention to the fertilizing methods, take micronutrient as the example:
Foliar Fertilizing is a main method for supplying micronutrient. Details are as follows:
Stage Types & Concentration Effect Remarks
Before sprout 1～2% zinc sulfate Treatment for little leaves Mainly used in zinc deficiency orchard
After sprout 0.3～0.5% zinc sulfate Treatment for little leaves Little leaves arose
Flower season 0.3%～0.4% sodium borate Increase fruit setting Spraying for twice continuously
