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Crops > Lecture 4- Sugar Beet > Flashcards

Lecture 4- Sugar Beet Flashcards

1
Q

How many tonnes of sugar beet are produced in the uk?

How many of those tonnes are imported?

A

8 million tonnes

2 million

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2
Q

What are the four factories processing sugar beet from east anglia and East Midlands?

A

Newark
Cantley
Wissington
Bury st Edmonds

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3
Q

What’s the average distance from field to factory?

A

26 miles

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4
Q

What is the ideal PH level for sugar beet?

A

7

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5
Q

What soil type is best?

A

Light to medium soils

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6
Q

Why do you need 3 years between beet crops?

A

Avoid rhizomania, Weed beet and nematodes

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7
Q

How much nitrogen is needed in the soil?

A

120kg/ha

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8
Q

How much salt is needed for application? And when?

A

400kg/ha before drilling

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9
Q

What seed type is sugar beet?

A

Pelleted seed

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10
Q

What three species make up the “Soil Pest complex”?

A
  • Springtails
  • Symphalids
  • millipedes
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11
Q

How do you control springtails, Symphalids and millipedes?

A

Seed treatments

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12
Q

Which pest species in sugar beet is there no control over?

A

Leather jackets

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13
Q

What condition do you need the seed bed?

A

Fine and firm

Above 5C

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14
Q

How many seeds are precision drilled into the seed bed?

A

120,000 seeds per hectare

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15
Q

How many seeds are expected to be established in the seed bed?

A

100,000 seeds/ hectare

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16
Q

Which soil type is used?

A

Medium loam

17
Q

Hat is the cultivation process for the seed bed?

A

Sub soil
Plough
PowerHarrow

18
Q

Why is sugar beet susceptible to weed emergence?

A

Slow to emerge

Low plant population

19
Q

How many plants per meter squared?

A

8

20
Q

How is cultural control of weeds performed?

A

Rotations
Cover crops
Mechanically

21
Q

How is chemical control of weeds performed?

A

The basic method

FAR system

22
Q

What is the basic method?

A

One dose of pre emergence herbicide

Two doses of post emergence herbicide

23
Q

What is the FAR system controlling weeds?

How many applications is used?

A

Repeated ultra low doses of herbicide

5-6 applications

24
Q

Sugar beet is biennial what does this mean?

A

Grows every other year

25
Q

How is rhizomania disease controlled?

A

Using resistant varieties

26
Q

How is virus yellows spread?

How are they controlled?

A

Amphids

Seed treatments

27
Q

What are examples of foliar diseases?

A

Rust, powdery mildew, cercospora

28
Q

How long does it take to grow sugar beet?

A

7 months

29
Q

What is sugar beet sown?

A

September-March

30
Q

When is sugar beet harvested?

A

September-February

31
Q

What is the average yield of sugar beet in the uk?

A

70 tonnes/ha

32
Q

What temperature and conditions should the clamp be?

A

3-5C and ventilated with protection from frost

33
Q

What pre sowing technique could be used for sugar beet?

What does it do?

A

Glyphosate

Kills weeds not controlled during cultivation

Crops (14 decks)

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