Question
The sodium absorption rate (SAR) of water considered
suitable for irrigation is?Solution
SAR < 10 considered suitable for irrigation. Sodium-ion in small amounts is good for plants. But excess sodium ion creates the problem for both plant and soil. Excess sodium contributes to salinity and it is toxic for some sensitive crops.
More Agriculture Section Tests Questions
Simplify: 6(x³ − 2x² + 3x) − (x³ + 2x − 3).
Find the value of 16 X [(8 - 5) of 12 ÷ 4].
20 * 8 + 40% of 100 + 60% of 150 = ?
(64 × 16) ÷ (4 × 16) 3 × 256 2 = 4 ?
25% of 1000 + 10% of 150 – 22 × ? = 45
390/? = √256 + 3.5
4.7 × 3.5 + 4.2 × 4.5 = 22.5 × 3.5 - ?
540240 ÷ 24 ÷ 25 =?
Simplify-
x + 3(y + x – 2) – (x + y).
