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