Improving Productivity, Profitability and Sustainability of Degraded Grasslands Through Tree-Based Land Use Systems in the Philippines - Smallholder Tree Growing for Rural Development and Environmental Services - page 302

Appendix 2 (continued)

Parameter Value Units Description Source

L HA 2 MAD/ha Man-animal day to layout hedge-

row for timber trees compo-
nent

c

Wage price
W MD 70 P/MD Labor wage for man-day a

W MAD 140 P/MAD Labor wage for

man-animal-day

a

W AD 70 P/AD Labor wage for animal-day a

Material inputs
S M

32 kg/ha/year Maize seeds for planting c

S T 834 seedlings/ha Planting density (500 Gmelina;

334 Acacia mangium)

i

F N 120 kg/ha/year Nitrogen fertilizer application

rate (approximately
261 kg/ha/year urea)

c

F P 48 kg/ha/year Phosphorus fertilizer

application rate
(approximately
264 kg/ha/year solophos)

c

C AI 1,765 P/au/year Cost of inputs (feed

supplements, veterinary
drugs, ropes, etc.) for animal
maintenance

o

Input prices
P SG 15 P/seedling Price of Gmelina seedling a

P SA 10 P/seedling Price of Acacia mangium

seedling

a

P SM 10.50 P/kg Price of maize seeds a, c

P FU 8.30 P/kg Price of urea fertilizer a

P FS 10.40 P/kg Price of solophos fertilizer a

Output prices/value
P M

6.3 P/kg Price of maize (grain) a

P C 510 P/tC Price of carbon b

P T 10 P/bdft Price of lumber a

B AS 10,710 P/au/year Animal services benefit at

current wage rate

a, o

A V 3,434 P/au/year Value of change in animal

inventory per year

Cost of capital
r p 25 % Private discount rate

(opportunity cost of capital)

c

r s 10 % Social discount rate f, g

Other data
CPI 1.62 - Consumer price index for 2001 h

ψ m 18 % Selling moisture content of

maize

c

ψ t 54 % Selling moisture content of

lumber

e

(continued)