Question for SAS with two Factor?

I have experimented with two Factor: Factor A: Two iron sources and Factor B: two seasons with three blocks. When I run the SAS, the interaction not significant, but the combination of the...

18 May 2020 2,576 6 View

Can anyone send a Guidelines to write a systematic review in agriculture topic?

I need Guidelines to write a systematic review in agriculture topic.

24 March 2020 8,050 8 View

How to convert mg/L to mg/kg values in the measurement of plant tissue minerals analysis?

I analyzed the plant tissue minerals such as N,P,K by atomic absorption (AAS). I take 0.25g of dry sample and digested. Then filtered and complete the solution to 100ml. The final reading for N,...

23 February 2020 3,164 8 View

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.

09 October 2019 1,082 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.

06 July 2019 6,017 3 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...

04 May 2019 9,246 12 View

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04 May 2019 3,065 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...

04 May 2019 4,390 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?

03 April 2019 8,401 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???

02 March 2019 1,134 1 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Can cells be reused after using WST 8/ CCK 8 from Sigma Aldrich?

Hi all, Can cells be reused after I have seed them onto 96 well plates and test them with cell counting kit at OD450 (CCK8) at 12 hours, wash them with PBS x3 and add new media and let them...

24 February 2021 5,072 1 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

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22 February 2021 9,932 11 View

Is it okay to mention you distributed your qualitrics study link through social media sites?

Just want to be clear and know it is okay to say I have distributed the qualitrics link through social media such as Facebook, Instagram and Twitter to ensure my target audience is reached in my...

21 February 2021 5,143 2 View

What is the minimum number of exosomes/ml to have a good yield of total RNA for Illumina sequencing?

I am using IZON qEV2 columns to isolate exosomes from 100 ml of cancer cell conditioned medium. in NTA analysis I usually see concentration of 2x10^9 particles/ml. But when I proceed with this...

20 February 2021 6,879 3 View

Any suggestions or recommendations on a good publishing house based on the African for academic books in the field of Communication and media studies?

I am currently working on a book on Public Relations (from an African perspective) and the rationale behind the book is the fact that as instructors in this field, we borrow instances and case...

19 February 2021 2,482 2 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

Are there papers on?

I'm looking for a papers concerning either Christianity or neopagan religions and social media. What role does social media play in the spread of these religious movements? Any suggestions on the...

15 February 2021 655 4 View