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

No title

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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View