Brace map of problems of Salinity and Alkalinity dur to use of fertiliser
Answers
Answer:
Let assumed mean be 13
∴ Arithmetic mean =13+
⎣
⎢
⎢
⎢
⎢
⎡
12
(4−13)+(21−13)+(13−13)+(17−13)+(5−13)+(9−13)+
(10−13)+(20−13)+(19−13)+(12−13)+(20−13)+(14−13)
⎦
⎥
⎥
⎥
⎥
⎤
=13+
12
8
=13+0.67
=13.67
Now let assumed mean be 14
∴ Arithmetic mean =14+
⎣
⎢
⎢
⎢
⎢
⎡
14
(4−14)+(21−14)+(13−14)+(17−14)+(5−14)+(9−14)+
(10−14)+(20−14)+(19−14)+(12−14)+(20−14)+(14−14)
⎦
⎥
⎥
⎥
⎥
⎤Let assumed mean be 13
∴ Arithmetic mean =13+
⎣
⎢
⎢
⎢
⎢
⎡
12
(4−13)+(21−13)+(13−13)+(17−13)+(5−13)+(9−13)+
(10−13)+(20−13)+(19−13)+(12−13)+(20−13)+(14−13)
⎦
⎥
⎥
⎥
⎥
⎤
=13+
12
8
=13+0.67
=13.67
Now let assumed mean be 14
∴ Arithmetic mean =14+
⎣
⎢
⎢
⎢
⎢
⎡
14
(4−14)+(21−14)+(13−14)+(17−14)+(5−14)+(9−14)+
(10−14)+(20−14)+(19−14)+(12−14)+(20−14)+(14−14)
⎦
⎥
⎥
⎥
⎥
⎤
=14+[
12
−4
]=13.67
Yes, 9 got the same result.
=14+[
12
−4
]=13.67
Yes, 9 got the same result.
Explanation:
Inefficient irrigation water management including canal network losses leads to the waterlogging and soil salinity/alkalinity while use of poor quality