Table 2 Nutrient composition in fertigation/water.

From: The effect of coconut coir substrate on the yield and nutritional quality of sweet peppers (Capsicum annuum) varieties

Fertigation treatment

Injection rates

Product

Application rate

L per 1000 L

1000 L tank

Pre 3rd truss flower

Post 3rd truss

Tank A

 Calcium Nitrate

80 kg

5

5

 Iron 6% EDDHA-chelate

1 kg

5

5

 

8.10%

  

Tank B

 MAP

36 kg

5

5

Tank C

 Magnesium Nitrate

80 kg

5

5

Micromix with Iron 11% DTPA-chelate

4 kg

  
 

8.40%

  

Tank D

 Potassium sulphate

90 kg

5

5

 

9.00%

  

Tank E

 Nitric Acid

8L

  
 

11.90%

  

Calculated EC (mS cm−1) at specified injections = 

 

1.55

1.8

  1. Throughout the experimental period, the computerized system (Priva, Netherlands), managed the irrigation timing and frequency as shown in Table 2.
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