Methods
Field observations, Waiakea, avg temp 74 F, high temp 81 F, low temp 66 F, average yearly rainfall 130.6 in.
Field observations, Waiakea, avg temp 71.01 F, high temp 90.22 F, low temp 57.35 F, yearly rainfall 126.7 in., avg RH 73.29%.
Field observations, Waiakea, yearly avg temp 73.7 F, high temp 97.04 F, low temp 55.97 F, total rainfall 164.25", RH 63%, DP 55 F
FLOWERING DATE, APRIL 4, 1995. HARVEST DATE FOR HNEP 8 SEPTEMBER 6, 1995. HARVEST DATE FOR HNEP 17 SEPTEMBER 12, 1995. Field observations, Waiakea, avg temp 74 F, high temp 81 F, low temp 66 F, average yearly rainfall 130.6 in.
HARVEST DATE APRIL 29, 1996 (HNEP 11), HARVEST DATE MAY 6 (HNEP 6, 13, 1) HARVEST DATE MAY 14 (HNEP 24) Field observations, Waiakea, avg temp 74 F, high temp 81 F, low temp 66 F, average yearly rainfall 130.6 in.
Field observations, Waiakea, avg temp 74 F, high temp 81 F, low temp 66 F, average yearly rainfall 130.6 in.
Eight rambutan cultivars were evaluated by USDA-ARS at the Corozal Agricultural Experiment Station of the University of Puerto Rico (Corozal clay; clayey, mixed, isohyperthermic Aquic Haplohumults) for fruit production and quality. Six months old trees grafted onto R-167 rootstocks were transplanted to the field September 2, 1999. Soil type for the site was Ultisol, pH in water 4.2; pH in calcium chloride, 3.7; Ammonium nitrogen, 13.0 mg/kg; Nitrate nitrogen, 41.0 mg/kg; Organic carbon, 1.99 %; Phosphorus, 6.0 kg/ha; Potassium, 244 mg/kg; Calcium, 993 mg/kg; Magnesium, 64.00 mg/kg. Historical weather data for this site are: rainfall, 1863 mm; evaporation, 1391 mm; maximum temperature, 29.7 (C); minimum temperature, 19.8 (C); mean temperature, 24.7 (C); elevation, 195 m.
Field observations, Waiakea, avg temp 70.899 F, high temp 85.83 F (Sept), low temp 57.35 F (Mar), yearly rainfall 151.335 in., avg RH 90.67
Field observations, Waiakea, avg temp 70.445 F, high temp 88.74 F (Aug), low temp 58.04 F (Febr), yearly rainfall 173.063 in., avg RH 102.58
Field observations, Waiakea, avg temp 69.426 F, high temp 83.8 F (June), low temp 56.7 F (Apr), yearly rainfall 160.44 in., avg RH 100.467
Field observations, Waiakea, avg temp 69.865 F, high temp 82.95 F (July), low temp 55.28 F (Apr), yearly rainfall 162.335 in., avg RH 93.182
Field observations, Waiakea, 12 month average temp (F) 68.52, high temp (F) 83.5, low temp (F) 55.2, total rainfall (inches) 157.46, avg max wind (MPH) 6.59, avg. solar radiation (MJ/m2) 14.45, avg max solar (W/m2) 1426.54.
Field observations, Waiakea, avg temp 71.096 F, high temp 88 F (Sept), low temp 54.3 F (Jan), yearly rainfall 195.12 in., highest rainfall month Nov (33.13), avg RH 84.919
Field observations, Waiakea, avg temp 71.33 F, high temp 84.9 F (Aug), low temp 55.8 F (Febr), yearly rainfall 150.89 in., highest rainfall month Oct (31.14)
Field observations, Waiakea, avg temp 70.83 F, high temp 85.7 F (July), low temp 53.1 F (Jan), yearly rainfall 52.52 in., highest rainfall month April (16.27 in), highest rainfall day Febr (6.47), lowest rainfall month (1.06 in Sept), avg wind 4.61 MPH, solar avg (MJ/M2) 16.12558
Field observations, Data missing for March-June, Waiakea, avg temp 71.15 F, high temp 82 F (Oct), low temp 60.2 F (Jan), yearly rainfall 52.03 in., highest rainfall month Nov (13.02),
Eight rambutan cultivars were evaluated at the USDA-ARS Isabela Research Farm (Coto clay: clayey, kaolinitic isohyperthermic Typic Hapludox) for fruit production and quality. Six months old trees grafted onto R-167 rootstocks were transplanted to the field July 21, 1999. Soil type for the site was Oxisol, pH in water 6.0; pH in calcium chloride, 5.1; Ammonium nitrogen, 37.5 mg/kg; Nitrate nitrogen , 21.0 mg/kg; Organic carbon, 1.27 %; Phosphorus, 63 kg/ha; Potassium, 500 mg/kg; Calcium, 732 mg/kg; Magnesium, 133 mg/kg. Historical weather data for this site are: rainfall 1649 mm; evaporation , 1672 mm; maximum temperature, 29.8 (C); minimum temperature, 19.9 (C); mean temperature, 24.9 (C), elevation, 126 m.