| Yams
|
Units
|
Average
|
Range
|
Valuation
|
| CLIMATE
|
_____
|
_____
|
_____
|
_____
|
| TEMPERATURE
|
_____
|
_____
|
_____
|
_____
|
| AIR TEMPERATURE - optimize CULTIVATION
|
Cº
|
_____
|
23 a 25
|
_____
|
| LIGHT
|
_____
|
_____
|
_____
|
_____
|
| DAY SHORT
|
_____
|
_____
|
_____
|
PREFER
|
| WATER
|
_____
|
_____
|
_____
|
_____
|
| MM. RAIN-annual minimum
|
mm
|
1.000,0
|
_____
|
_____
|
| WATER - QUANTITY
|
mm
|
_____
|
400 mm de 3º a 5º mes
|
_____
|
| MM. CYCLE PLANT
|
mm
|
1.500,0
|
_____
|
_____
|
| DEFICIT OF WATER-PERIODS CRITICS
|
_____
|
_____
|
5 primeros meses
|
_____
|
| SOIL
|
_____
|
_____
|
_____
|
_____
|
| PHYSICAL PROPERTIES SOIL
|
_____
|
_____
|
_____
|
_____
|
| FRANCS - light
|
_____
|
_____
|
_____
|
PREFER
|
| deep soils
|
_____
|
_____
|
_____
|
DEMANDING
|
| SOIL WATER
|
_____
|
_____
|
_____
|
_____
|
| DRAINED
|
_____
|
_____
|
_____
|
VERY DEMANDING
|
| PHYSICAL AND CHEMICAL PROPERTIES
|
_____
|
_____
|
_____
|
_____
|
| pH optimal range
|
pH
|
_____
|
6 a 7
|
_____
|
| MATTER ORGANIC - HUMUS
|
_____
|
_____
|
_____
|
DEMANDING
|
| NUTRITIONAL ELEMENTS
|
_____
|
_____
|
_____
|
_____
|
| FERTILITY
|
_____
|
_____
|
_____
|
DEMANDING
|
| POTASSIUM-SOIL
|
_____
|
_____
|
_____
|
DEMANDING
|
| TECHNIQUES OF CULTIVATION
|
_____
|
_____
|
_____
|
_____
|
| SEEDING-PLANTING
|
_____
|
_____
|
_____
|
_____
|
| AVERAGE WEIGHT, GR
|
gr
|
130,0
|
120-140
|
_____
|
| No. bud cuttings-tuber
|
nº
|
_____
|
2-3
|
_____
|
| PERIOD repose -rest
|
month
|
_____
|
3-6
|
_____
|
| GERMINATION, TEMPERATURE OPTIMA
|
days
|
_____
|
20-60
|
_____
|
| RIDGES, DISTANCE LOINS
|
m
|
1,2
|
1-1,5
|
_____
|
| RIDGES, DISTANCE PLANTS
|
cm
|
60,0
|
50-70
|
_____
|
| TUBERS depth cm
|
cm
|
_____
|
5-7
|
_____
|
| WORK
|
_____
|
_____
|
_____
|
_____
|
| N ° - WEEDING
|
nº
|
3,0
|
_____
|
_____
|
| FARMING OPERATIONS
|
_____
|
_____
|
_____
|
_____
|
| FASTENING, TUTORING AND DEFENSE
|
_____
|
_____
|
_____
|
VERY DEMANDING
|
| HEIGHT ground pole
|
m
|
3,0
|
_____
|
_____
|
| HARVESTING WORK
|
_____
|
_____
|
_____
|
_____
|
| START COLLECTING AGE
|
month
|
_____
|
9-10
|
_____
|
| AVERAGE production tonnes / has.
|
ton/ha
|
10,0
|
_____
|
_____
|
| Weight average
|
kg
|
3,5
|
2 a 5
|
_____
|
| TIME DURATION HARVEST
|
month
|
_____
|
2-3
|
_____
|
| Cycle harvesting
|
month
|
7,0
|
_____
|
_____
|
| POSTHARVEST-MARKETING
|
_____
|
_____
|
_____
|
_____
|
| TEMPERATURE OF STORAGE
|
Cº
|
7,0
|
_____
|
_____
|
| COMPOSITION FOOD
|
_____
|
_____
|
_____
|
_____
|
| Water-Fresh product
|
gr
|
70,0
|
_____
|
_____
|
| Dry matter-Fresh produce
|
gr
|
30,0
|
_____
|
_____
|
| ENERGY-Fresh product
|
kcal
|
118,0
|
_____
|
_____
|
| POWER-dry matter
|
kcal
|
393,3
|
_____
|
_____
|
| Carbohydrates-Fresh produce
|
gr
|
28,0
|
_____
|
_____
|
| Carbohydrates-Dry matter
|
%
|
93,3
|
_____
|
_____
|
| SUGAR-Fresh product
|
gr
|
0,5
|
_____
|
_____
|
| SUGAR-Dry matter
|
%
|
1,7
|
_____
|
_____
|
| Dietary fiber-Fresh product
|
gr
|
4,1
|
_____
|
_____
|
| Dietary fiber-Dry matter
|
%
|
13,7
|
_____
|
_____
|
| FATS-Fresh product
|
gr
|
0,2
|
_____
|
_____
|
| FATS-Dry matter
|
%
|
0,6
|
_____
|
_____
|
| PROTEINS-Fresh product
|
gr
|
1,5
|
_____
|
_____
|
| PROTEINS-Dry matter
|
%
|
5,0
|
_____
|
_____
|
