CF Values for common hydroponic crops

About NFT
Critical principles of design
Various details of system design

Important charts and information
pH Chart
CF Values
Diagram of typical nutrient management system

 

Note: These are typical values, and may need to be adjusted for local water supply and climatic conditions, or plant variety, but are a good starting point.

Crop CF Value Crop CF Value Artichoke 10-18 Lettuce hearting 8-20 Asparagus 12-18 Lettuce fancy 4-16 Banana 18-24 Marrow 10-20 Basil 10-18 Melon 10-20 Beetroot 16-22 Mint 10-14 Blueberries 18-20 Onion 16-22 Broad beans 16-22 Parsley 10-18 Broccoli 16-24 Parsnip 14-24 Brussel sprouts 18-26 Passionfruit 16-26 Cabbage 6-24 Pea 14-18 Capsicum 20-30 Pole bean 16-22 Carnations 14-20 Potato 12-24 Carrot 16-22 Pumpkin (squash) 16-24 Cauliflower 16-24 Radish 12-20 Caleriac 16-22 Rhubarb 16-22 Celery 16-22 Roses 18-22 Chinese cabbage 16-22 Sage 10-16 Chives 12-20 Salsify 12-20 Cress 2-10 Shallot 16-22 Cucumber 16-20 Silver beet 16-24 Egg plant 18-26 Spinach 16-22 Endive 6-12 Strawberry 16-20 Fennel 8-14 Sweetcorn 16-22 Garlic 10-18 Thyme 12-18 Gherkins 16-20 Tomato 22-45 Herbs 8-20 Turnip 14-4 Kohl Rabi 16-24 Chicory 14-18 Kumara 12-24 Watercress 2-10 Leek 16-22 Yam 12-24