Kashyapa Yapa

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Questions related from Kashyapa Yapa

Why nobody is talking about soil mulch (a thick loose soil layer) anymore? Can anybody help me find experimental results regarding its effectiveness?

Macdonald (1909) emphasized that maintaining a deep enough soil mulch is more than enough to prevent the capillary water from rising up to the surface and getting evaporated. So, for arid zone...

21 April 2018 4,207 7 View

Do you think a tropical native forest can be commercially exploited without destroying its ecological value?

Dykstra (2002) says tropical native forests yield only about 30 m3/ha of timber, that is, about 10 trees/ha of many different species. And in parts of Africa it could be only about a tree per 10...

19 March 2018 860 5 View

Is the stream base flow in a tropical watershed under native forest cover greater than that under an exotic forest cover or grass/crop cover?

So far, I could not find a single paired-watershed experimental stream flow data on a tropical native forest. FAO & CIFOR (2005) make generalized statements like “…Considerable quantities of...

18 March 2018 3,485 5 View

Is air CO2 concentration the main culprit driving the recent, continuous warming of some regions of the planet?

Clarification: The term global warming is wrong as some places do not see the average temperature rising continuously and annual average global temperature is only a statistical gimmick. IPCC...

17 March 2018 4,828 13 View

Mechanism behind high flows in water springs in volcanic rock formations?

We have observed 100+ l/s continous flows in many water springs along the Andean volcanic range, some ocurring a distance of 10-20km away from the possible source (in Arequipa and Ayacucho, Perú...

25 April 2016 2,165 10 View