Question
___ is the type of farming in which ridges and furrows
formed across the slope build a continual series of small barriers to the flowing water which reduces the velocity of runoff and thus reduces soil erosion and nutrient lossSolution
Contour farming is one of the most commonly used agronomic measures for soil and water conservation in hilly agro-ecosystems and sloppy lands. All the agricultural operations viz. plowing, sowing, inter-culture, etc., are practiced along the contour line. The ridges and furrows formed across the slope build a continual series of small barriers to the flowing water which reduces the velocity of runoff and thus reduces soil erosion and nutrient loss.Â
60   61    57   66    ?      75    39
...15   8   9   15   32    ?    250.5
What will come in place of the question mark (?) in the following series?
4000, ?, 320, 192, 153.6, 153.6
- What will come in place of the question mark (?) in the following series?
121, 115, 102, 82, 55, ? 10Â Â Â 11Â Â Â Â 12Â Â Â Â 20Â Â Â Â 24Â Â Â Â ?
23Â Â Â Â 40Â Â Â Â Â Â 67 Â Â Â Â Â Â 104Â Â Â Â Â Â ? Â Â Â Â Â Â 208
...64, 65, 73, 100, ?, 289
12, 19, 33, ?, 117
312, 302, 282, ?, 212, 162
252, 235, 220, 207, 196, ?
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