7 Questions 12 Answers 0 Followers
Questions related from Mohammad Nazrul Islam
Normally we measure Na and K using 1M NH4OAC. Someone say it is exchangeable Na and K. On the other hand, someone say it is available (water soluble+exchangeable) Na and K. I am confused which one...
12 April 2017 4,751 19 View
We know that every nutrient has a critical limit for rice. But I need to know about critical limit of exchangeable sodium percentage (ESP) for rice. I have found from a literature that its value...
18 March 2017 9,933 13 View
If the soil has more than 50 ppm available S, what will be the impact on rice plant? What is the permissible limit of soil available S for rice plant? It is notable that soil pH is >5.8 and...
20 February 2017 9,301 19 View
We conducted a research in saline-sodic soil, where soil having ESP 12.2, SAR 15.3, EC 7 dS/m and soil was silt clay in texture. We found that total uptake (at ripening stage of rice) of Na was...
28 November 2016 5,649 16 View
There are some kinds of salt present in saline soil. As far I know, Na salt is more harmful than others. But I have no idea about effect of Mg salt (MgSO4) on soil health. What are the permissible...
18 November 2016 1,925 15 View
Excessive water may, however, induce high water tables, which, if saline, contribute to soil salinity. Water logging in combination with high salinity can cause greater depression in growth and...
09 November 2016 3,977 6 View
Some researchers found gypsum amendment is a way to reduce salinity, but it is not suitable for all types of soil. Some researcher reported that ash from rice straw and rice husk may mitigate soil...
25 October 2016 5,748 33 View
