Application methods of calcium nitrate fertilizer

1.Fruit trees

(1) Soil fertilization with organic fertilizers and compound fertilizers. Mainly used as a fertilizer, a small amount of multiple applications, can be ditching, hole application, can also be used in 1% of the water solution watering. Young trees are applied before the sprouting of new shoots, 0.1-0.2kg per plant; fruit-bearing trees are applied in early spring before budding and during the rapid expansion of fruit (fruit fertilizer), 0.3-0.4kg per plant.

(2) Foliar spraying: foliar spraying at a concentration of 0.5-1%.

Young trees: 1-2 sprays per new growth period, each at 7-10 days interval.

Fruiting trees: spraying from 1 month after flowering, spraying every 7-10 days, spraying 2-3 times in a row.

2. Watermelon

In the vine growth period and the pre-fruiting period (50m), apply 7.5-10 kg per mu or use 1% water soluble watering or start spraying at 7-10 days intervals, 2-3 times in a row.

3. Cucumber, winter squash, gourd, pepper, aubergine, etc.

When flowering and fruiting, water with 1% water solution every 7-10 days for 2-3 times, or spray with 0.5-1% water solution for 2-3 times.

4, peanut: after flowering, chase 20-25kg per mu, or spray or water with 1% water solution, spray (water) once every 7-10 days, even spray (water) 2-3 times.

5, cabbage and other leafy vegetables

Watering or spraying with 1% water solution once in the seedling stage and the peak stage respectively.