Is this a hornworm - and which one?

In east china in found this hornworm on a small way near maize fields? Can you identify it? May it be the armyworm, Spodoptera frugiperda ? More pics...

10 November 2017 7,577 2 View

Store in alpine regions - pastures or forests - more water?

Store in alpine regions - pastures or forests - more water? There is a new study that in the Alps of Austria/Italy pastures are better to prevent climate change by drought. The synopsis is: If...

10 November 2017 5,231 0 View

Are cathions or anions more resonsible for the biological toxicity of salts?

I think on glyphosate, which is used in different formulations of salts. There are mostly this glyphosate salts used: isopropylamine salt (IPA)diammonium saltdimethylammonium saltethanolamine...

06 July 2017 1,879 2 View

Is testing botanical plant seeds biodiversity of soils with genetic markers for plant identification a good idea?

For finding the potential alpha-biodiversity of botanical plant biodiversity of soils as well as agronomical weed infestination, would it be a good idea to count/test in the soil living seeds with...

06 July 2016 170 3 View

Are here also questions of policy and politics possible?

06 July 2016 7,114 0 View

Arrhenatherum elatius (Glatthafer, tall oat-grass): where is it used, sawn or cultivated significantly?

Exists countries, outside of Austria where the meadow and crop grass Arrhenatherum elatius (D: Glatthafer, E: false oat-grass, tall oat-grass, tall meadow oat, onion couch and tuber oat-grass, F:...

05 June 2016 3,123 2 View

CHIA (Salvia hispanica): How are the market chances for CHIA?

Chia is a novel food for breakfast, bread etc and rich in omaga 3 fat acids. Do you see the demand is given for new plantations and a chance for developing countries? Which are the best countries...

05 June 2016 7,044 3 View

Which skin color had the first human creatures?

Had they mainly a black skin or was it more white or even red or other?I just heard that a man of Ghana explaining that the frist people had a black color. I know the more ancient pygmy people...

31 December 2014 4,471 1 View

Do you think there is a turning or tipping point in human life that habits or rituals could become a psychosocial barrier or even a fetter?

Are not habits or rituals are often important helpers for a happy and stabile living especially for disabled persons? And yet in some ways human habits change to a fetter. When and where is the...

31 December 2014 2,230 2 View

How many water contain stones like limestone and granite in vol% or weight%? Has anybody a good comparable table?

The question arose in a lecture of waterbilances for plant nutrition.

10 November 2014 2,836 1 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View