Citrus trees need high amounts of nitrogen to produce new foliage and during flowering or fruit set, as nitrogen helps the tree absorb and distribute all other nutrients. Also, nitrogen has the most ...
Soil Choose a well-draining soil mix — one that's designed for cacti or citrus fruits is perfect. Make your own soil by mixing equal ... fertilizer with an NPK ratio of 2:1:1 or 3:1:1 How to fertilize ...