factors for domestication of crops

Question 1

factors for the domestication of crops

Answer 1

ease to harvest
wide availability
ease to transport
high productivity
seasonal distribution
climate tolerance
good flavor
suitable grain size

Question 2

what are the common terms used in crop production and their definition?

Answer 2

agriculture -the delibrate act of crop cultivation and rearing of livestock
shifting cultivation-clearing and cultivating an area for a few years then abandoning it for a new area
setteled agriculture - using the same ploat of land continuesly for cultivation and rearing of livestock
subsistance farming -growing of animals and rearing of livestock only for ones use without any surplous for trade

Question 3

crop production is determined by

Answer 3

-crop type
environment
planting at the right time
protecting from disease or pest

Question 4

technological advancement in agriculture resulted in

Answer 4

access to improved seed
better production practice
better harversting and storage facility

Question 5

Eras of agriculture in industrialized regions

Answer 5

-the mechanical era 1930-1950
-the chemical era 1950-1950
-biotechnology or IT 1970- present

Question 6

the status of crop production in Ethiopia

Answer 6

complex agriculture
51 million hectar of arable land but only 20% is cultivated
most cultivated crops are teff, wheat, barley , sorghum, maize based on area cultivation
has high yield variety

Question 7

factors for low crop yield production in Ethiopia

Answer 7

soil degradation
traditional farming system
little technology use
uncertain and variable rainfall
very low level of irrigation
low use of inputs like fertilizers , pesticides……

Question 8

classification of crop plants

Answer 8

food crops
forage crops
oil crops
fiber crops

Question 9

the 3 most important food crops globally based on volume production

Answer 9

wheat, rice , maize

Question 10

examples of oil seeds and the vitamins they provide

Answer 10

sesame, linseed, sunflower, olive, coconut, peanut, palm, maize
vitamin A K D E( fat soluble vitamins)

Question 11

examples of fiber crops

Answer 11

cotton
jute

Question 12

examples off forage crops

Question 13

the difference between C3 and C4 plants

Answer 13

c3 plants c4 plants
-3 carbon atom -4 carbon atom
-photosyntesis increases as - no change in p
co2 increase with co2
no storage for co2 have storage for co2
less water more water
more nitrogen less nitrogen

Question 14

cropping system

Answer 14

the type and sequcence of crops and the practice used to row them

Question 15

types of cropping system

Answer 15

mono cropping
mixed cropping
crop rotation

Question 16

definition, disadvantage and advantages of mono cropping,

Answer 16

is growing a single crop type in a given ploat of land
advantage-using a uniform managment and harvesting
dis advantage-total crop failure by pest and disease , reduces soil fertility

Question 17

definition advantage and disadvantage of mixed cropping

Answer 17

growing two or more crops simultaneously on the same plot of land
adv-reduces total yield loss
efficient use of soil nutrients and solar radiation
breaks the life cylce of pests
reduce soil erosion

Question 18

types of mixed cropping and their difinations

Answer 18

inter cropping-planting more than one crop in a regular rows on the same field at the same time
relay planting- where a second crop is planted after the first has grown

Question 19

crop rotation and its objectives growing

Answer 19

the pactise of growing different species on the same ploat of land sequently
OBJECTIVES
improving soil fertility
controlling pest and disease
develop weed and pest resisitant crops

Question 20

gumuz society

Answer 20

belive that natural resources are a creation, blessing , gift from yamba

Question 21

konso people

Answer 21

tracing to protect soil erosion and traditional irrigation

Question 22

bale farmers

Answer 22

prepare trench around potato farms to protect them from percupine attack

Question 23

gondar farmers

Answer 23

shift teir barn to use animal dang as a fertilizer

Question 24

highland farmers

Answer 24

use kitchen ash to reduce soil acidity
smoke to reduce frost damage

Question 25

gojam farmers

Answer 25

use cattle urine for pest
use heat stem for termites