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1
Grazing management
Academic Press
John F Vallentine
grazing
forage
range
pasture
plants
species
livestock
stocking
intake
growth
winter
mgt
systems
grazed
period
vegetation
capacity
pounds
rotation
rate
levels
growing
effects
daily
reduced
crop
rates
utilization
factors
periods
feeding
wheatgrass
acre
continuous
increased
defoliation
grasses
rangelands
gains
utah
lands
concluded
crested
duration
herbage
average
units
total
agric
palatability
年:
1990
语言:
english
文件:
PDF, 15.69 MB
您的标签:
0
/
0
english, 1990
2
Ecological Modeling: A Common-Sense Approach to Theory and Practice
Wiley-Blackwell
Professor William E. Grant
,
Mr Todd M. Swannack
forage
weight
population
rate
biomass
modeling
calculations
simulation
dynamics
models
items
conceptual
units
behavior
ecological
growth
equations
grazing
harvest
variables
components
interest
systems
relationships
analysis
quantitative
step
approach
trampling
sensitivity
expectations
hunter
hurricane
solutions
projections
total
calculate
values
simulated
mathematical
hurricanes
auxiliary
simulations
figs
transfers
objectives
intermediate
relative
developmental
expected
年:
2008
语言:
english
文件:
PDF, 1.69 MB
您的标签:
0
/
0
english, 2008
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