Grass and Forage MCQ2 study
Grass and Forage Mastery Quiz
Test your knowledge on grass and forage management with our comprehensive quiz! Dive into the intricacies of fertilizers, grazing systems, and silage production while exploring various types of grasses and legumes.
- 50 thought-provoking multiple-choice questions
- Covering essential concepts in forage science
- Perfect for students, farmers, and enthusiasts!
Fertilizer prices increased by how much in May 2022
10%
55%
122%
164%
What percentage of seed sales in Ireland are PRG
95%
10%
74%
45%
N gas is converted to what in the nodules of Legumes
Ammonia
Ammonium
Trifolium Pratense is
Red clover
White clover
Trifolium is
White clover
Red clover
Chieftan is a variety of
White clover, medium sized leaf
White clover, large leaf
When white clover is present in a sward, CP can increase from
1-4%
17-21%
10-12%
22-24%
10% increase in grazed grass in the diet, reduced the cost of production by
1.3c
1.5c
2.5c
2.1c
High density swards would contain approx how many tillers
10,000/ m squared
20,000/ m squared
30,000/ m squared
40,000/ m squared
Time spent in each paddock in a rotational grazing system should be
<4-5 days
6 days
8 days
>7 days
Grass DM% estimations after continuous rain should be approx
12-15%
14-17%
18-19%
22-23%
Grazed grass (g/kg DM) has approx how much crude protein
180-250g
220-300g
100-150g
Milking cows should not have more than ___% of their diet as brassicas
10%
15%
27%
33%
Dry cows should not have more than ___% of their diet as brassicas
65%
70%
55%
Redstart contains how much crude protein
5%
18-20%
15-17%
22%
Redstart is
High in fibre
Low in fibre
Brassicas are
High in sugers
Low in sugers
Daily requirement of P/day for cows
20g
10g
24g
15g
Cattle fed brassica diets over a long period of time are susceptible to
Cu deficiency
Zinc deficiency
How many hectares of grassland in Western europe is used for silage production
10 million
12 million
7 million
18 million
What percentage of silage in western europe is baled
22%
25%
18%
10%
Phase 1 of silage production is the
Aerobic stage
Anaerobic stage
Optimum DM% of silage is
25-30%
21-23%
12-15%
28-3-%
Buffering capacity is
Is higher in legumes and lower in maize than grass
Is lower in maize and higher in maize than grass
Mollasses is an example of a
Fermentation promotor/ stimulant
Fermentation inhibitor
Calcium formate is an example of a
Fermentation inhibitor
Fermentation stimulant
Proteolytic clostridia
Ferment amino acids producing amines and ammmonia
Ferment sugers and LA to produce butryic acid
Ryegrass has
Low level of fibre
High level of fibre
Timothy is
Late flowering
Early flowering
Timothy has a
Good tolerance to dry conditions
Poor tolerance to dry conditions
Festulolium is a hybrid of
Fescue X perennial ryegrass
Fescue X timothy
Plantain has
High palatability
Low palatability
In 2021, how much area was used for growing forage maize in Ireland
14,428ha
11,378ha
16,786ha
21,678ha
When is forage maize sown
Early April
Late April
Early March
May
Plastic covers on maize increases the temperature in May/June by
3 degrees
4 degrees
5 degrees
6 degrees
What percentage of maize was covered in plastic in 2021
5%
7%
10%
12%
Target for harvesting maize silage is
10% DM
20% DM
30% DM
Target for harvesting maize silage is
15% starch
13% starch
17% starch
30% starch
European Green Deal including a Farm to Fork strategy and Biodiversity strategy to
reduction in the use of fertilisers by 20%
reduction in the use of fertilisers by 50%
reduction in the use of fertilisers by 45%
Stemmy pastures of tall fescue =
Poor quality feed
High quality field
Birdsfoot trefoil (Lotus corniculatus) is
Winter dormant
Grows well in winter
Which of the following is not a pasture herb
Chicory
Plantain
Yarrow
Lucerne
A 600 kg lactating cow takes how many bites of grass per minute
60
40
50
65
When grass measuring, a 0.25 m2 quadrat is cut to
4cm
3cm
3.5cm
4.5cm
Farm cover =
sum total cover* (kg DM)/ Area available for grazing (ha)
Paddock DM yield (kg DM/ha) X Paddock area (ha)
For a 60:40 autumn grassland plan, the farm will reach the 60% grazed target by the start of
October
September
November
Average yield for Redstart is
6-8t DM/ha
10-12t Dm/ha
4-6t DM/ha
Tyfon is an example of a
Stubble turnip
Swede
In sheep systems brassicas may make-up
10-20% of the diet
50-60% of the diet
90-100% of the diet
80-90% of the diet
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