Coriander Needs Fertilizer Rules Fertilization Points

Coriander, also known as coriander, requires 16 essential nutrients for the growth and development of coriander. The plant is short, the growth period is short, the root system is shallow, and the number of plants per unit area is large. It needs fertile and moist soil and sufficient supply of fertilizer and water.

Coriander likes cool climate conditions, and requires a large amount of potassium, followed by nitrogen and less phosphorus. However, there is sufficient nitrogen supply for the entire growing season. When nitrogen is insufficient, the plants are stunted and the leaves turn yellow. The amount of fertilizer required for coriander in the early stage of growth is small, and the amount of fertilizer required increases as the plant grows.

Cilantro Fertilization Points

base fertilizer for parsley

In order to ensure the nutrients needed by coriander in the growth period, base fertilizer should be applied according to the soil fertility before planting. After the previous crop is harvested, shallowly hoe the stubble, apply 1500 kg of high-quality decomposed organic fertilizer and 40-60 kg of compound fertilizer per mu, spread it evenly on the ground, plough 20 cm deep, and mix the fertilizer and soil. After evenly, do furrows in soil preparation, ready to sow.

Top dressing of coriander

1. Spring sowing coriander is generally topdressed 3 times throughout the growth period. For the first time, the height of coriander seedlings is 6-7 cm. After thinning, combined with watering, apply 4-5 kg of compound fertilizer or 4-6 kg of urea with water per acre; the second top dressing is when the height of coriander seedlings is 8-9 cm. Combined with watering, apply 6-10 kg of compound fertilizer or 7-11 kg of urea with water per mu; for the third time, when the height of the coriander plant is 12-14 cm, 10-14 kg of compound fertilizer or 10-15 kg of urea is washed with water.

2. The growth period of summer sowing coriander is short, and it is generally topdressed twice. For the first time, the height of the seedlings is 4-5 cm, and after thinning, combined with watering, 5-6 kg of compound fertilizer or 5-8 kg of urea is applied per mu; for the second time, when the coriander seedlings are 7-8 cm high, the compound fertilizer is applied per mu. Fertilizer 10~13kg or urea 10~15kg.

3. Autumn sowing coriander is generally topdressed 3 times. When the coriander seedlings are 6-7 cm high, 10-13 kg of compound fertilizer or 10-15 kg of urea and 1,000-1,500 kg of decomposed human feces are applied per mu in combination with watering; when the coriander plant is 9-11 cm high, When the coriander enters the prosperous period, combined with watering, apply 15-18 kg of compound fertilizer or 15-20 kg of urea, 25-30 kg of ammonium sulfate, 500-800 kg of decomposed human excrement and 15-20 kg of ammonium nitrate.

4. When overwintering coriander has 5-6 leaves, apply 15-20 kilograms of 45% NPK compound fertilizer with water; apply 1000-1500 kilograms of decomposed human feces and urine with water before freezing; combine in the following spring Pour back to Qingshui and apply compound fertilizer 10-15 kg or urea 10-16 kg or ammonium sulfate 20-30 kg.