Orfeas Voutsinos

13 Questions 5 Answers 0 Followers

Questions related from Orfeas Voutsinos

Has anyone else have problems with the DT 208 basic Digestion systems for Kjeldahl analysis?

I have recenly started using the DT 208 basic Digestion systems for Kjeldahl analysis. The tubes (wich cost around 1000$ per 20pcs) break after some uses. It doesn't happen to all of them. Usually...

06 September 2021 8,891 1 View

Why does a lettuce plant grown under low light intensity conditions have high transpiration and low photosynthetic rate?

Fellow researchers I grew lettuce under white LED lighting. The light intensity was rather low (less than 200μmol/ m2s). The plants grew to have a shade avoidance-like morphology which enabled...

20 November 2018 4,558 2 View

Can supplemental far red light minimize tipburn on lettuce?

Greetings everyone Through experimenting, it seems that adding a small percentage of Far Red ligt decreases tipburn on lettuce. Has anyone else observed that? If yes, do you have any idea why is...

15 May 2018 6,895 0 View

What is the right PPFD and nutrient solution for cultivating Valeriana?

Greetings I am looking for a nutrient slolutions recipe for growing Hydroponic Valeriana. Does the solution need to be different when growing valeriana for its leaves rather than its roots? What...

05 March 2018 1,616 1 View

Which are the most accurte protocols for measuring nitrate and nitrite in lettuce tissue?

Greetings I am looking for simple and accurate protocols in order to measure nitrate and nitrite in lettuces. I have been growing them in an NFT hydroponic system with artificial lighting (150...

18 December 2017 899 4 View

Use of PGPR for hydroponics?

Greetings I am looking for papers regarding pgpr that could be used in hydroponics. Which articles would you suggest? I am interested both in pgpr that could be added in the rizosphere and the...

13 December 2017 8,452 3 View

Hydroponic mushroom production?

Greetings Does anyone have any recent papers about hydroponic mushroom productio? I am currently using an NFT system and I wonder if i could adjust it in order to cultivate several types of...

07 December 2017 1,783 3 View

Where can I get a deep sea diving suit certificate / diploma / license?

Greetings! I am interested in learning how to use an atmospheric diving suit or Jim suit. Does anyone know how and where I could get a diploma or license? Are there any scientific programs...

20 June 2017 2,980 0 View

How do abiotic factors (humidity, temperature, light intensity) influence fruit-set of tomato?

Hi everyone I am looking for papers on how abiotic factors influence the fruit set on tomatoes? Has anyone done some research on the subject? Thanks in advance

25 April 2017 2,831 3 View

Which are the best optical fibers in the market for light transmission?

I have a parabolic mirror and want to place some optical fibers at the focal point in order to transmit light inside a climate chamber. Which optical fibers would you suggest?

02 April 2017 7,506 7 View

Is there a known seaweed species that can be cultivated in an aquaponic system in order to enrich the water with oxygen?

Are there any known species of edible seaweed that can be cultivated in aquaponics in order to enrich the water with oxygen? What are their needs in nutrients? Could they be cultivated along side...

23 September 2016 3,336 2 View

What type of algae usually grows in hydroponics and aquaponics?

Which algae species thrive in most aquaponic and hydroponic systems?Are there any natural enemies of algae which can be cultivated in the aquaponic system to counter the algae growth.ex. Elysia...

23 September 2016 809 5 View

Ηow many days need to pass until we can harvest and what is the production in kg/year of lettuce, peppers, kale, piny cichory?

In an NFT or Floating system(depending on the crop)How many days need to pass until first harvest? (growing time needed)After the first harvest how many days need to pass to harvest again?How many...

10 May 2016 375 2 View