Abdelrazzaq M Al-Tawaha

19 Questions 58 Answers 0 Followers

Questions related from Abdelrazzaq M Al-Tawaha

What the differences between small scale aquaponics and low tech aquaponics?

What the differences between small scale aquaponics production and low tech aquaponic production in concept, mechanism, components and production.

10 October 2019 1,189 2 View

What the ideal methods for analysis Chlorophyll a and b, and Anthocyanin for hydroponics lettuce???

I need the full protocol for analysis Chlorophyll a and b, and Anthocyanin for hydroponics lettuce and the ideal solvent for analysis such as acetone for cholophyll and methanol for anthocyanin.

07 July 2019 6,099 3 View

How I can convert 0.04 μmol Ni in the form of NiCl2 to mg or g???

05 May 2019 3,166 1 View

I used Hanna instruments (Multi parameters) and I used for meaurement Nitrate. The readying was more that 30 mg/l. How I can diluted the water sample?

I want to diluted water sample. The sample volume(10 ml), the reading give me out of range( the range 30 mg/l). amount of Nitrate I have more than 30 mg/L. How i can dilute the water sample to get...

05 May 2019 4,492 13 View

How do I calculate the amount of acetic acid needed to lower pH from 7 to 6 of a volume in hydroponics system?

I need to reduce the pH from 7 to 6 by using acetic acid in hydroponics system?

04 April 2019 8,515 7 View

What the protocols for calculator evaporation rate from open tank in aquaculture /aquaponics???

I looking for simple methods or equation for calculation evaporation rate from open tank in aquaculture /aquaponics???

03 March 2019 1,224 1 View

What is the importance for sump tank in aquaculture and aquaponics???

What is the advantages for sump tank in aquaponics

01 January 2019 3,728 1 View

What the ideal PVC for NFT ROUND VS FLAT NFT CHANNELS??? and what the ideal size??

I am building a NFT system for Aquaponics lettuce . I have tried to do research into proper channels to use for a DIY project. I am debating between considering round pvc pipe 4", or 4" square...

01 January 2019 4,273 3 View

Can be used polyethylene tank and black color for stocking fish(Tilapia) in aquaculture or aquaponics??

I will do experiments in aquaponics for integrating tilapia and lettuce. Can I use polyethylene tank and black color??or must be fiberglass and other color?? The problem I can not buy fiberglass.

12 December 2018 9,210 16 View

What the best definition or explanation for term( nutrient dynamics) in hydroponics or aquaponics ???

I looking for explain what means(dynamics of nutrients)

07 July 2018 1,183 2 View

Can any one suggest the best book for study the root system or the best review for root system??

I need book for study root system for lettuce and Dicotyledon as well.

03 March 2018 412 2 View

How can measurements or calculate of Specific Surface Area for particles??

I need to know the stages for measurements Specific Surface Area laboratory or by any producers?? For example how can calculate Specific Surface Area (m2/m3) in mazie stubble and bagasse ??

02 February 2018 8,267 1 View

How can measurements or calculate of Specific Surface Area for particles m2/m3??

I need to know the protocol for measurements Specific Surface Area laboratory for sugarcane bagasse

02 February 2018 7,933 1 View

Can anyone provide information or links on status of aquaponics in east asia?

information about aquaponics in Malaysia, Thailand and other east Asia countries.

04 April 2017 5,920 3 View

How can increase the potassium level in aqauaponic system?

I wish to insert different way for increase potassium in aqauaponics

04 April 2017 6,733 4 View

How can determine the amount of biofilter media needed by nitrifying bacteria in aquaponic???

How can determine the amount of biofilter media needed by nitrifying bacteria in aquaponic

04 April 2017 2,490 0 View

Is there any work published about intercropping plants in hydropoincs???

information about intercropping plants in hydroponics and possibility??

03 March 2017 1,042 9 View

Can we determine carotenoid by using UV-spectrophotometer?

For fruits

03 March 2017 4,807 0 View

What is the optimum flow rate of water liters/min in NFT for lettuce crops??

I need the ranged for flow water in liter/min for NTF

01 January 1970 4,240 2 View