A total of five strips of sunn hemp, each measuring
30.5 m 1.8 m were planted in each field plot of
30.5 m 30.5 m. Six rows of corn were planted into four areas
between pre-established strips of sunn hemp, to provide 24 rows
of corn plants in each intercropped plot. Thirty-four continuous
rows of corn were planted in an area of 30.5 m 30.5 m for the
corn monoculture plots. A sweet corn variety, Passion (Seminis
Vegetables) and a fodder variety, P0125xR (Pioneer Hibred
International Inc.), were used at the Waimanalo and Mililani sites,
respectively. The experiments were planted on October 5 (fall
2010) at the Waimanalo, November 23, 2010 (spring 2011) at the
Mililani followed by April 14 (summer 2011) and October 11 (fall
2011) at Waimanalo.