The mean of two samples sized 50 and 100 are 54.1 and 50.3 respectively. The standard deviation of these sample are 8 and 7 respectively. What will be the value of combined mean and standard deviation?
When the contact of soil moisture still decreased below the wilting point in way that the water is held very tightly & may be state of vapour around soi...
Tillage increases the water holding capacity of soil but it reduces the …………………….
Regarding the reclamation of saline soils, which of the following statement is/are correct?
Which of the following crop is/are soil salinity tolerant?
Kaolinite is
Flooding is the method used for the reclamation practice in which of the problematic soil?
____ soil is also called as regur soil or the soil in which predominant crop grown is Cotton.
It is the tendency of some crops to absorb and accumulate nutrients far in excess of their actual needs if it is present in sufficiently large quantitie...
Element involved in nitrogen fixation
In soil, heat transfer is mainly due to
