| Cassava
|
Units
|
Average
|
Range
|
Valuation
|
| CLIMATE
|
_____
|
_____
|
_____
|
_____
|
| TEMPERATURE
|
_____
|
_____
|
_____
|
_____
|
| FROST plant
|
Cº
|
_____
|
_____
|
NOT TOLERATED
|
| AIR TEMPERATURE - MINIMUM CULTURE
|
Cº
|
20,0
|
_____
|
_____
|
| AIR TEMPERATURE - optimize CULTIVATION
|
Cº
|
_____
|
25-29
|
_____
|
| LIGHT
|
_____
|
_____
|
_____
|
_____
|
| DAY SHORT
|
_____
|
_____
|
_____
|
PREFER
|
| WATER
|
_____
|
_____
|
_____
|
_____
|
| MM. RAIN-annual minimum
|
mm
|
500,0
|
_____
|
_____
|
| MM. CYCLE PLANT
|
mm
|
1.350,0
|
1.200-1.500
|
_____
|
| RESISTANCE TO THE DROUGHT
|
_____
|
_____
|
_____
|
TOLERANT
|
| SOIL
|
_____
|
_____
|
_____
|
_____
|
| PHYSICAL PROPERTIES SOIL
|
_____
|
_____
|
_____
|
_____
|
| FRANCS - light
|
_____
|
_____
|
_____
|
PREFER
|
| deep soils
|
_____
|
_____
|
_____
|
PREFER
|
| SOIL WATER
|
_____
|
_____
|
_____
|
_____
|
| swamped
|
_____
|
_____
|
_____
|
NOT TOLERATED
|
| PHYSICAL AND CHEMICAL PROPERTIES
|
_____
|
_____
|
_____
|
_____
|
| PLANT tolerance to pH acid
|
_____
|
_____
|
_____
|
VERY TOLERANT
|
| pH optimal range
|
pH
|
_____
|
5,8-6,5
|
_____
|
| dS/m MAXIM
|
dS/m
|
0,5
|
_____
|
_____
|
| FERTILIZATION
|
_____
|
_____
|
_____
|
_____
|
| N-EXTRACTIONS-UF / Ha
|
fu/ha
|
75,0
|
_____
|
_____
|
| P-EXTRACTIONS-UF / Ha
|
fu/ha
|
25,0
|
_____
|
_____
|
| K-EXTRACTIONS-UF / Ha
|
fu/ha
|
100,0
|
_____
|
_____
|
| Mg-EXTRACTIONS-UF / Tons
|
fu/tm
|
2,5
|
2-3
|
_____
|
| fertilizer N-high (Kg-UF/Ha)
|
fu/ha
|
80,0
|
_____
|
_____
|
| fertilizer N-medium (Kg-UF/Ha)
|
fu/ha
|
90,0
|
_____
|
_____
|
| fertilizer N-low (Kg-UF/Ha)
|
fu/ha
|
100,0
|
_____
|
_____
|
| fertilizer P-high (Kg-UF/Ha)
|
fu/ha
|
40,0
|
_____
|
_____
|
| fertilizer P-medium (Kg-UF/Ha)
|
fu/ha
|
60,0
|
_____
|
_____
|
| fertilizer P-low (Kg-UF/Ha)
|
fu/ha
|
80,0
|
_____
|
_____
|
| fertilizer K-high (Kg-UF/Ha)
|
fu/ha
|
90,0
|
_____
|
_____
|
| fertilizer K-medium (Kg-UF/Ha)
|
fu/ha
|
105,0
|
_____
|
_____
|
| fertilizer K-low (Kg-UF/Ha)
|
fu/ha
|
120,0
|
_____
|
_____
|
| fertilizer N-high (Kg-UF/Tons)
|
fu/tm
|
5,3
|
_____
|
_____
|
| fertilizer N-medium (Kg-UF/Tons)
|
fu/tm
|
6,0
|
_____
|
_____
|
| fertilizer N-low (Kg-UF/Tons)
|
fu/tm
|
6,7
|
_____
|
_____
|
| fertilizer P-high (Kg-UF/Tons)
|
fu/tm
|
2,7
|
_____
|
_____
|
| fertilizer P-medium (Kg-UF/Tons)
|
fu/tm
|
4,0
|
_____
|
_____
|
| fertilizer P-low (Kg-UF/Tons)
|
fu/tm
|
5,3
|
_____
|
_____
|
| fertilizer K-high (Kg-UF/Tons)
|
fu/tm
|
6,0
|
_____
|
_____
|
| fertilizer K-medium (Kg-UF/Tons)
|
fu/tm
|
7,0
|
_____
|
_____
|
| fertilizer K-low (Kg-UF/Tons)
|
fu/tm
|
8,0
|
_____
|
_____
|
| NITROGEN-preSOWING
|
%
|
_____
|
1/3
|
_____
|
| NITROGEN-DEVELOPMENT PLANT
|
%
|
_____
|
1/3 un mes
|
_____
|
| NITROGEN-development plant-2nd contribution
|
%
|
_____
|
1/3 dos meses
|
_____
|
| PHOSPHORUS-SOWING
|
%
|
100,0
|
_____
|
_____
|
| POTASSIUM-SOWING
|
_____
|
_____
|
1/3
|
_____
|
| POTASSIUM-DEVELOPMENT PLANT 1nd contribution
|
_____
|
_____
|
1/3 un mes
|
_____
|
| POTASSIUM-DEVELOPMENT PLANT 2nd contribution
|
_____
|
_____
|
1/3 dos meses
|
_____
|
| TECHNIQUES OF CULTIVATION
|
_____
|
_____
|
_____
|
_____
|
| SEEDING-PLANTING
|
_____
|
_____
|
_____
|
_____
|
| No. bud cuttings-tuber
|
nº
|
_____
|
3-4
|
_____
|
| Age cuttings-months
|
month
|
13,0
|
8-18
|
_____
|
| % STAKE-CUTTING BURIED
|
%
|
_____
|
2/3
|
_____
|
| HEIGHT STAKE OR CUTTING CM
|
cm
|
20,0
|
10-30
|
_____
|
| WIDTH FILES
|
m
|
1,3
|
1,2-1,5
|
_____
|
| WIDTH BETWEEN PLANTS M.
|
m
|
0,8
|
_____
|
_____
|
| N °-PLANTS-TUBERS/HA.
|
plants/ha
|
10.000,0
|
8.000-12.000
|
_____
|
| WORK
|
_____
|
_____
|
_____
|
_____
|
| N ° - WEEDING
|
nº
|
_____
|
2-3
|
_____
|
| HARVESTING WORK
|
_____
|
_____
|
_____
|
_____
|
| AVERAGE production tonnes / has.
|
ton/ha
|
15,0
|
_____
|
_____
|
| Weight average
|
gr
|
600,0
|
400-800
|
_____
|
| Cycle harvesting
|
month
|
11,0
|
10-12
|
_____
|
| COMPOSITION FOOD
|
_____
|
_____
|
_____
|
_____
|
| Water-Fresh product
|
gr
|
60,0
|
_____
|
_____
|
| Dry matter-Fresh produce
|
gr
|
40,0
|
_____
|
_____
|
| ENERGY-Fresh product
|
kcal
|
160,0
|
_____
|
_____
|
| POWER-dry matter
|
kcal
|
400,0
|
_____
|
_____
|
| Carbohydrates-Fresh produce
|
gr
|
38,0
|
_____
|
_____
|
| Carbohydrates-Dry matter
|
%
|
95,0
|
_____
|
_____
|
| SUGAR-Fresh product
|
gr
|
1,7
|
_____
|
_____
|
| SUGAR-Dry matter
|
%
|
4,3
|
_____
|
_____
|
| Dietary fiber-Fresh product
|
gr
|
1,8
|
_____
|
_____
|
| Dietary fiber-Dry matter
|
%
|
4,5
|
_____
|
_____
|
| FATS-Fresh product
|
gr
|
0,3
|
_____
|
_____
|
| FATS-Dry matter
|
%
|
0,7
|
_____
|
_____
|
| PROTEINS-Fresh product
|
gr
|
1,4
|
_____
|
_____
|
| PROTEINS-Dry matter
|
%
|
3,5
|
_____
|
_____
|
