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systems
inputs, outputs, boundaries, processes
inputs
raw material that goes into the farm. e.g. seeds
processes
alternatives that the raw materials must undergo. e.g. shearing or drenching
outputs
final product of the farm. e.g. wool, meat, milk and fruit
boundaries
limitations to the farm. e.g. climate, topography
dew
occurs when air cools at night and water vapour condenses into liquid
small intestine
absorbs 90% of the nutrients from food
anemometer
measures wind speed
region
an area with specific characteristics
leaves
photosynthesis and gas exchange
inorganic
not consisting of living matter
4 factors affecting incubation
temp
humidity
turning
ventilation
pest
a destructive organism that preys on livestock, crops or feed
IPM
integrated pest management
biological control
habitat manipulation
modification of cultural practises
cultural practise
manifestation
climate
weather conditions long term
weather
atmosphere at a particular time and place. daily indicator
heifer
a cow that hasn't given birth or has only given birth once
steer
castrated male
weaner
calves that have been weaned off of their mother
bull
male cows used for reproduction
lare intestine
absorbs water from food
diseases in cattle
bloat, foot rot, mastitis
organic
derived from living matter
stubble retention
retaining stubble increases the input of carbon into the soil
green manure
getting the living grass and materials and ploughing it back into the soil
macro
type of food required in large amounts required for plant growth
micro
a chemical element or substance required in small amounts for normal growth and development of living organisms
n- nitrogen
component of chlorophyll and amino acid
k- potassium
required in large amounts for correct growth and reproduction of plants
stems
stems support the elevation of leaves and keeps the leaves in the light importantly trasports fluids between the roots in the xylem and phloem
roots
absorbs water and inorganic nutrients anchors the plant to the ground
seeds
seeds allow the reproduction to take place through sexual reproduction
dicot
form a tap root through seed that cannot be re grown and produce leaves two at a time
monocot
are grown through sexual reproduction (cloning/ budding) produce one leaf at a time like grasses
N-P-K
nitrogen, phosphorus, potassium
urea
adding urea to soils allows 46% more nitrogen to soils urea- 46:0:0 n. p k
plowing/ tilling
looses and aerates the top layer of soil
rumen
first stomach the rumen stores food, soaks, mixing and breaks down fibrous feed into volatile fatty acids
reticulum
mechanical digestion and microbial fermentation to break down food for absorption
omasum
absorbs all the water from food
abomasum
secretes enzymes from cells which allow the final breakdown of food
mono gastric
synthesises some b group vitamins can not break down cellulose enzyme bases digestion
ruminants
synthesis all b group organisms microbial based digestion can break down cellulose
artificial insemination
a method used to deliberately inseminate a cow
biological control
predation, parasitism or other natural mechanisms
habitat manipulation
promoting populations of natural enemies by making condition more favourable
iron
produces chlorophyll gives the plant oxygen
copper
activates some enzymes which are involved in lignin synthesis
lignin- organic polymer deposited in cell walls
magnese
aid in chlorophyll synthesis
oestrus synchronisation
process of targeting female mammals to come on heat within time frame (12-4 weeks)
phosphorus
helps to convert other nutrients into usable binding blocks to grow, and photosynthesis
N:P:K in relation to nutrients
all macro nutrients
bos taurus
europe
bos indicus
India
intense
near town and cities small
pH
measure of alkaline and salinity on soil or water
extensive
big farms no set area
growing season
a period of consecutive months with effective rainfall
soils profile
horizons, structure, organic matter content, drainage characteristics, parent material, texture, fertility rate
soil structure
porosity and aeration levels, infiltration, storage and drainage rates, root penetration and growth, transfer of heat, temperature, susceptibility to erosion
gross margin
includes only variable costs such as fuel, seeds etc. wouldn't include insurance etc