Dennis Edem

13 Questions 34 Answers 0 Followers

Questions related from Dennis Edem

Hello All, Why is it that 2 mm soil is used for routine analysis and 0.5 mm for organic C and total N

In most of the soil researches read and soil science manual, 2 mm soil is used for routine analysis and 0.5 mm for Organic C, and there is no explanation why this is so. Can anyone tell me the reason

07 July 2014 6,648 1 View

Is it true that the Duncan multiple range test is ineffective for means of separation?

During the just concluded 38th soil science society in Nigeria, the use of DMRT was widely criticized.

05 May 2014 5,488 9 View

Should soil loss due to crop (tuber) harvesting be part of soil loss during erosion studies under natural rainfall?

Since this soil is loose, and I think there will be no significant soil attached to the tuber during harvesting, does this underestimate the soil loss washed off under this study?

01 January 2014 1,308 2 View

Could someone advise on how to measure percentage of plant canopy in runoff plots plants to cassava under vetiver grass management?

I want to assess the contribution of plant canapy to reduction in soil and runoff losses at varying stage of the plant growth

07 July 2013 1,601 3 View

How many times should an experiment be conducted in order to validate the results?

In an experiment that assesses soil loss due to crop harvesting, how many times should this research be done before publicising this report?

04 April 2013 216 3 View

How can a quality undisturbed soil sample be collected in the field?

In a study of soil erosion, using saturated hydraulic conductivity as a determinate factor.

04 April 2013 6,649 6 View

Can one control plot (40 x5 m2) be used for a 3 x 3 factorial experiment?

In an experiment with three treatments and three levels replicated three times, can one control plot be used as a bench mark for this research?

04 April 2013 9,760 3 View

How many erosion pins could be use in a run off plot of 40 x 5 m2?

Using vetiver grass strip as barriers against soil erosion by water, and erosion pins are to be used in assessing soil wash, how many of these pins are required for a plot size of 200m2?

02 February 2013 8,139 6 View

How can splash soil erosion be assessed in the field under natural rainfall?

I am working on Suitability of Fractional Erosion Collecting Devices and Soil Loss under Vertiver Grass Alleys, it would be of interest as this forms part of my research work

01 January 2013 7,102 6 View

How can organic carbon from soil be converted to CO2 under the impact of burning biomass?

I want to assess the impact of burning biomass on soil carbon storage and CO2 emission into the atmosphere. Does anyone have any suggestions? Perhaps any protocols or literature?

01 January 2013 3,216 13 View

How long will it take runoff plots newly established with vetiver grass strips to be ready for erosion studies?

I have just established runoff plots with vetiver grass ( from nursery) as barriers against erosion, when is appropriate to sample runoff and sediment under natural rainfall? Assuming rain falls...

01 January 2013 5,677 8 View

Which soil property should be use to assess soil salinity?

Some researcher used, Electrical conductivity, some Chloride and some Sodium. Are all these parameters right? What if their contents are highly varied within the sampling unit?

11 November 2012 3,948 16 View

I want to establish a runoff plot. Can I use concret to demarket the plots? Will this give a true field situation of erosion on the site?

Vetiver grass strip would be used as a means of controlling erosion on-site.

10 October 2012 3,228 15 View