b. the number of nests alternate irrigation n = Of which: n-the number of nests alternate irrigationtngày-time sprinklers on pure design For fertilizer irrigation system fixed tngày > 12 h spray irrigation systems, mobile sales tngày > 10 h, mobile systems and sprinklers tngày > 8 days TD-watering time per move branch pipe and fitting, hose. When using 2-3 branch pipes, nozzle capacity shootout or fixed system (td = 0) Based on the fact situation, the irrigation subdivision into four rotating irrigation nest according to the corresponding branch pipe is: N1, N2, N3, N5
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