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Use of Avail in sugarcane in San Pedro, Dominican Republic, May 28, 2011
42 kg P2O5 + Avail 42 kg P2O5
Yield* SugarLKg/Ha
Net Income/Ha(including cost of AVAIL
And N‐N)Peso’s
AVAIL / N‐N Benefit/Ha
(Peso)
GSP ‐ NPK (105‐105‐240)Split Application
136 143,596
GSP + AVAIL 151 162,894 +19,298
GSP + AVAIL andN‐N
147 156,629 +13,033
AVAIL / N‐N Philippine Sugarcane ‘11SRA – LGAREC, La Carlota City, Negros Occidental
Trial Run: 5/10 – 5/11Sandy Loam Soil
Randomized Block Design Trial – 4x repsAVAIL / N‐N applied at 6 mos. Stage
* Yield expressed @ 64% total yield returned to grower
Yield (sugar)50Kg/Ha
Net Income/HaIncluding cost of AVAIL
And N‐N(Peso’s)
AVAIL / N‐N Benefit/Ha
(Peso’s)
GSP ‐ NPK (174‐92‐60)
Split Application
282 210,397
50% GSP + AVAIL+ NutriSphere ‐ N
289 222,059 +11,662
AVAIL / N‐N Philippine Sugarcane ‘11PHILSURIN, Victorias City, Negros Occidental
Trial Duration: 7/10 – 5/11Sandy Loam Soil
Randomized Block Design Trial – 4x repsAVAIL / N‐N applied in 3 equal applications
TonnesCane / ha
YieldLkg./ha
(Planters Share)
Gross Income /
ha
Net Income / ha
AVAIL / N-NBenefit/ha
(Benefit: Cost)
AppliedFertilizer
Rate(AFR)
98 143.5 P270,700 P270,700
(AFR) + AVAIL + N-N
(+ P3,475kg./ha)
111 152.6 P285,425 P281,950 +P11,250(3.24:1)
Sugarcane ‘10AVAIL + NutriSphere-N (N-N)
San Carlos MDDC, Mill District – PhilippinesVariety: V88-947
Applied Fertilizer Rates: 180N-140P-60K Kg./ha.
Treatments: 4x replicated plotsBasal Applied