Table 6: Nitrogen rate × N application timing × MH-30 interaction in 2010 for total yield for Russet potatoes grown on sandy loam soils in the Mid-Atlantic.

Nitrogen rateNo MH-30MH-30
All at planting2-splits3-splitsAll at planting2-splits3-splits

kg ha−1kg ha−1

13415185 c19144 bc19378 bc19200 bc20211 abc17756 c
26824216 ab20719 abc20231 abc18241 c18204 c25256 a

Pr > F0.0588

Means with the same letter are not significantly different (P ≥ 0.10, Fisher’s Protected LSD) and any mean can be compared within the table.