The average age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class becomes:
Total age of 20 girls = 20 × 16 = 320 years Total age of 24 girls = 320 + (4 × 10) = 360 years Therefore new average age = 360/24 = 15 years
Tillage increases the water holding capacity of soil but it reduces the …………………….
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...
Bray-1 test is used to determine phosphorous in
Soil is a natural body composed of mineral and organic costituents, having definite genesis and a distinct nature of its own. Who amongst the following ...
In terms of the order from youngest to the oldest soil, which one of the following is the correct chronological sequence?
The soils of grassland ecosystems, characterized by a thick, dark surface horizon comes under which soil order?
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...
……………………………is a key factor for successful crop production and it is a measure of capacity of soil to supply plant nutrients.
...Which of the following property of soil can’t be changed by any means?
The larger the soil aggregates, the greater is the amount of ……………………….pores.
