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Questions related from Irfan Mahmood
We are trying to develop a solar drying for drying agriculture produce and to improve its efficiency want to use some phase changing material for heat storage during sun hours and gradual release...
11 November 2018 6,799 4 View
High pH is major problem for crop yields in my region. I am thinking of enlisting all the factors pH depends upon and establish a mathematical model from those relationship, starting from very...
03 March 2018 6,088 2 View
Multan is a region in Pakistan with arid environment and a nearby desert. With warm climate, no rainfall and other factors we get so many dust storms, especially in summer. Roads are always full...
01 January 2018 7,508 7 View
I am new in the field of Soil Science. I realized the pH in most of Punjab region of Pakistan is on the higher side. I also read that ideal range for pH for better crop productivity is 6.8 to 7.0....
12 December 2017 6,756 19 View
Why some soils have intrinsically high pH level? Is it usually by nature or antthropogenic activities? How can one reduce that pH level of soil forever?
10 October 2017 3,014 9 View
We are trying to develop different maps for P, K, EC and other related parameters affecting the productivity of soil. However, the first few questions arise 1. What type of grids/grid size for...
10 October 2017 1,820 10 View
I am reading some literature which says sampling should be done when soils are at field capacity. This ensures appropriate interpretation of field penetration resistance measurements, facilitates...
10 October 2017 5,087 7 View
We planned to take some samples from the area where wheat is to be grown in future. The area was laser levelled recently and not cultivated for some time. It was very hard to take soil samples...
10 October 2017 9,282 4 View
When we talk about precision agriculture and variable rate technology, the management zone sampling of soil is considered to be most useful. However, it is very tricky to divide soils into...
10 October 2017 8,769 6 View
WHEAT: Take about 15-20 cores by a soil sampler of about 1" diameter to 6" depth, within about 2 meter diameter of a selected location. Mix all cores. This forms a composite. And from this mix...
10 October 2017 7,519 4 View
What makes someone an ideal Phd candidate? What factors are more important and how much weightage is given to each factor in different parts of the world? for example 1. Final grade 2. Thesis...
12 December 2015 598 2 View
In transport process of gas at macro-scale when average pore radius is comparable to mean free path length(transition zone between both) we take into account klinkenberg effect which is explained...
09 September 2015 4,254 3 View