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6. Put the 5 catch pits in order in regular intervals in work extent. Spread fertilizer the
way shown on the picture, and follow the direction shown by arrow.
7. Separately weigh and note down the fertilizers poured into the catch pits in an order
according to their position. If you want this measure to be more accurate, you can
work with more catch pits in frequent and regular intervals.
8. Average value is estimated based on the below given formula.
Average value= Amount in the first pit + Amount in the second pit +
………. + 5.
Amount in the pit/5
Summary of Contents for W4000
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