Nutrient recipe for growing tomatoes(HowardResh) | Hydroponic Nutrients | Urban Gardening, Terrace gardening and Hydroponics





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Nutrient recipe for growing tomatoes(HowardResh)
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geekgardener
Bangalore, India
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November 4, 2010 - 9:12 pm
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Hello everyone,

Here is a recipe that I want to introduce to everyone. This is by Dr Howard Resh and this is what I have been using for my tomato plants.

Works like a charm and does well for other plants as well(Cucumber and Pepper).

N: 140 ppm

K: 352 ppm

Mg: 50 ppm

P: 50 ppm

Ca: 180 ppm

S: 168 ppm

 

Salt                            gms/100Litre of water.

Calcium Nitrate            80.6
    
Potassium Nitrate        10.4
    
Mono Pottasium Phosphate    22.1
    
Potassium Sulphate        59.8
    
Magnesium Sulphate        49.4

Enjoy!

gg

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Gardenia
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November 4, 2010 - 10:55 pm

GG,

 

How about micro nutrients? Where we can buy these salts.

 

Gardenia

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Srikanth
Serilingampally, Hyderabad
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November 5, 2010 - 5:42 am
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Hi,

 

The easiest method would be to buy a trace element mix like TRACEL from Rallis. Though Tracel has Iron it is not in Chelated form so you would have to buy Chelated Fe to avoid risk of Chlorosis.

 

I will be putting my NS receipes later today that also includes the trace elements.

 

Thanks,

Srikanth

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Thanks,

Srikanth

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Urban Gardener
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November 8, 2010 - 10:58 am
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Thanks GG,

 

Sure is working out for me.

 

Happy Growing !

UG

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1madha2
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December 8, 2012 - 2:11 pm
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hello GG

are you still using the same formula given in this post and what

about the trace elements.

 

madhavi

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geekgardener
Bangalore, India
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February 22, 2013 - 3:52 pm
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Hello Madhavi,

Yes I still use that formula although with some modifications based on plant behavior. The trace elements is same as the website.

Basically, I reduce the EC if I see too bullish plant and increase if I see spindly one. Also depends on the plant fruit load.

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Loganth
Bangalore
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February 25, 2013 - 8:29 am
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any readily available supplement mix which is good for vegetables ? I was thinking on Orchid boon for growth and flowering plants.

Please suggest .

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Loganth
Bangalore
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February 26, 2013 - 2:11 pm
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Guys,

Please respond . I know you guys are knowledgable and we are beginers who find it very tough to understand the nutrition needs of plants.

I dont think its a very good idea to buy readymade fertilizers like Organic boon , please comment.

 

I started with these plants

1. Okra 5 seedlings

2. Tomato 20 seedlings ( I will be using only  5 )

3. French Marigold ( used all 60+ seeds my bad ) . All germinated now i dont have space 

 

I used cocopeat for germination and now without nutrients the plants are dying.

 

-- LS

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geekgardener
Bangalore, India
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March 7, 2013 - 3:41 pm
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Loganth,

For seedlings you can use 1gm of 19-19-19 in a litre of water and water the plants. As the plants grow we can increase the grams/liter.

hope this helps.

regarding the nutrients there is another forum thread that has all the info you are looking for.i will look it up.

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ozshire
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May 16, 2013 - 11:08 pm
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N: 140 ppm

K: 352 ppm

Mg: 50 ppm

 

I don't get it, what if N is provided more, however we provide the nutrients plants takes only what it wants.
It doesn't make sense. 

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indira19
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August 19, 2014 - 2:35 pm
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Hi gg
So we shud be buying those 5 salts separately? If we add in grams thos nutes ...is that all? Can add tracel mix also to it? There is no A and B solution in this? I am reading lots of stuff these days trying to understand the set up and nutes. Any pref for brand of nutes?

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geekgardener
Bangalore, India
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August 19, 2014 - 5:06 pm
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Indira,

You need to buy them if you are making nutrients yourself. In india there are no brands available at the moment. There is A and B in every nutrient. you cannot mix A and B in their conc. form.

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anargha
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September 9, 2015 - 6:31 pm
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geekgardener said

Hello everyone,

Here is a recipe that I want to introduce to everyone. This is by Dr Howard Resh and this is what I have been using for my tomato plants.

Works like a charm and does well for other plants as well(Cucumber and Pepper).

N: 140 ppm

K: 352 ppm

Mg: 50 ppm

P: 50 ppm

Ca: 180 ppm

S: 168 ppm

 

Salt                            gms/100Litre of water.

Calcium Nitrate            80.6
    
Potassium Nitrate        10.4
    
Mono Pottasium Phosphate    22.1
    
Potassium Sulphate        59.8
    
Magnesium Sulphate        49.4

Enjoy!

gg

Hi GG,
i want to make this soln.... i am facing a problem...
K2SO4 is not much soluble in water...its precipitating from soln... i have tried two different samples...
Please help me how to dissolve it

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pocock
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December 21, 2017 - 7:38 pm
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hi there was just wondering if this is the only nutrient formula you use for all stages of growth ie, vegative and fruiting ,,does it work well or does it need to be changed for fruiting

pocock

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gm_navy
New Delhi
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February 24, 2018 - 1:28 pm
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Hi

regarding the figures given above with the Resh Recipe.
Calcium Nitrate 80.6
Potassium Nitrate 10.4
Mono Potassium Phosphate 22.1
Potassium Sulphate 59.8
Magnesium Sulphate 49.4

Do help. Where am I going wrong ? Take the case of calcium nitrate. We need 180 ppm of calcium. Atomic wt 40, mol wt of Calcium nitrate (say anhydrous) should be 164. I get required wt of Calcium nitrate in 100 litres of water as (180 x 164)/40/100x1000 = 73.8 grams. Lets take the tetrahydrate version, which I am using. The molecular weight becomes 236. I get the weight required as (180 x 236)/40/100 x1000 = 106 grams.
How am I missing that 80.6 figure above ? I get similar discrepancies for the other salts.

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