Question
The effective post-emergence control of Ageratum
houstonianum can be achieved withSolution
Ageratum houstonianum  is controlled by post mergence application of Atrazine @ 3.5 kg /ha.
A man can row 6 km/hr in still water. It takes him twice as long to row up as to row down the river. Find the rate of the stream.
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The speed of a boat in still water is three times the speed of the boat upstream. If the boat takes 30 minutes to cover 27 km downstream, then find the ...
A boat covers a distance of 96 km downstream in 4 hours and returns upstream in 6 hours. Find the speed of the stream.
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A motorboat completes 36 km upstream and 96 km downstream together in 7 hours. If its speed in still water is 12 km/h more than the stream, determine th...
A man can row 5 km/hr in still water. If the speed of the current is 2 km/hr, it takes 4 hours more in upstream than in the downstream for the same dist...
A boat goes 450 km downstream in 25 hours, and 200 km upstream in 20 hours. The speed of the stream is Â
The speed of a boat in still water is 30 km/hr. If the boat covers 180 km in upstream in 12 hours, then find the time taken by the boat to travel 180 km...
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