Question
Two trains approach each other at 19 kmph and 23 kmph
from 2 places 210 km apart. After how many hours they will meet?Solution
Distance = 210 km Speed of train 1 = 19 km/hr Speed of train 2 = 23 km/hr Relative speed = 19 + 23 = 42 km/hr Therefore, speed = distance/time ⇒ 42 = 210/Time ⇒ Time = 210/42 = 5 hrs
…………………………means the crop producing capacity of a soil which is measured in terms of yield (bio-mass).
...Why do sandy soils generally have higher bulk densities compared to clayey soils?
What is the color of the tag used for certified seed?
CAN is also known as ___
The acidic soils can be reclaimed by the application of ____
Which organic component, constituting approximately 10-30% in plant tissues, is often categorized as "very slowly decomposed"?
The ESP of saline soils is _____%
Which seed class has the minimum genetic purity requirement of 99%?
Why does a high C: N ratio in added organic matter initially slow down nitrogen availability for plants?
Which property of soil usually reflects the extent of leaching and weathering of soils?
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