Foliar fertiliser

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Muhammad Arif Khan
Posts: 4323
Joined: April 14th, 2011, 1:01 pm

Foliar fertiliser

Post by Muhammad Arif Khan » October 9th, 2013, 12:36 pm

A lot has been said about using foliar fertilisers, what I have gathered from the forum and internet is;
Foliar feeding is considered especially useful for introducing trace elements, or for "emergency" feeding of plants which are found to have a specific shortage. But in some cases, with tomatoes, for example, it is believed that foliar feeding during flower set causes a dramatic increase in fruit production.
All water soluble fertilisers can be used as foliar fertilisers.
Results from the experiments quantified plant nutrients moving at the rate of about one foot per hour to all parts of the plants after spray.
Nitrogen is absorbed in ½-2 hours
Phosphorus 5-10 Days
Potassium 10-24 Hrs

Available Grow more USA 20-20-20 with micro nutrients
Italian 20-20-20 with micro nutrients
Other ratios are also available

Recommended dilution 20-20-20 =0.2-0.4% which amounts to 400-800 parts per million Nitrogen
Recommended interval between spraying during growing season is fortnightly.
Is it correct? Should I go ahead? Can I mix fungicide or insecticide with it?

Farhan Ahmed
Posts: 3801
Joined: February 5th, 2012, 9:38 pm
Country: Pakistan
City: Risalpur/Karachi
Gardening Interests: Annuals,Herbaceous Perennials, Landscaping,Cottage Garden
Location: Risalpur,KPK

Re: Foliar fertiliser

Post by Farhan Ahmed » October 15th, 2013, 6:52 pm

Unless specified on the packing you should not be mixing fert with insecticide/fungicide.

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