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Questions related from Tewodros Ayalew
Dear Sir, this is to kindly inquiry a material on tropical agronomy & crop response to environment in the forms of lecture note, text book, article or any forms of document. with kind regards,
23 November 2022 7,161 3 View
Dears, How to translate a fertilizar rate for a pot experiment from the fertilizer rate recommended for field application?
02 June 2020 4,011 4 View
Dear all, Does being a correspondent author matter or what if a PhD research paper published with a supervisor as a correspondence author?
06 April 2020 5,914 12 View
What is the reason for this kind of Cowpea leaf damage?
13 August 2019 580 7 View
Rhizobium, Bradyrhizobium are gram negative, N-fixing bacteria, forming nodules on host plants. Which one is the most effective in infecting root of legumes, forming nodule and N-fixation?, and...
19 March 2019 5,781 4 View
15N natural abundance method is among the techniques used to reliably measure N fixed (%Ndfa). This works, due to the difference in 15N abundance between soil & atmospheric N2, thereby, used...
02 February 2019 2,276 3 View
Economic and environmental costs of chemical N in agriculture is becoming a global concern. At the same time climate, change together with food insecurity is the most pressing problem for the...
29 January 2019 1,804 12 View
Consider 1 m3 of the soil surface soil. The soil is in good condition and has 0.45 mineral matter, 0.05 organic matter, 0.2-soil solution, 0.2to0.3 air and 0.3 to 0.2-volume fraction. 1. What is...
17 January 2019 1,970 1 View
What are the most important environmental factors, including the soil factors most affecting nodule formation or biological nitrogen fixation?
30 October 2018 5,897 7 View
What does the response of crop yield or crop transpiration efficiency with increasing Crop Coefficient (Kc) and Water Stress Coefficient (Ks) or does an increase in (Kc) indicate an increasing...
02 July 2018 8,684 3 View
what does the response of crop yield or crop transpiration efficiency with increasing Crop Coefficient (Kc) and Water Stress Coefficient (Ks) ? or 1. does crop yield or transpiration rate increase...
02 July 2018 7,696 3 View
