Lecture 9- Barley Flashcards

1
Q

Where is barley usually in crop rotations?

A

As a 2nd or 3rd crop

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2
Q

Why is barley not a break crop?

A

Even though it’s more tolerant to take all than wheat, it’s not resistant

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3
Q

Why is barley grown as a 2nd or 3rd crop?

A

Reduced soil intrigued supply

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4
Q

What markets are there for barley?

A

Brewing
Distilling
Animal feed

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5
Q

Why is winter barley are declining in favour of Spring?

A

Black grass

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6
Q

When is winter barley harvested for early harvest?

A

July

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7
Q

why is Spring barley more suited for malting than winter?

A

Winter wheat has a High grain Nitrogen than Spring

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8
Q

Is winter wheat suited for distilling?

A

No varieties are suited

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9
Q

What’s the advantages of 6 row barley?

What a disadvantage?

A

More grains per head
High yielding

Seed is more expensive

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10
Q

When is winter barley sown?

A

Mid September-October

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11
Q

Why should sowing never wait till late autumn?

A

Yield potential drops massively

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12
Q

What is the sowing rate per m squared?

A

300 plants per meter squared

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13
Q

When is the main tillering period?

A

Autumn

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14
Q

What depth should the barley seed beds be?

A

25mm

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15
Q

Why is barley less winter hardy than wheat?

A

It does not tolerate water logging

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16
Q

What diseases are barley susceptible to?

A

Powdery mildew
Brown rust
Net blotch
Rumularia

17
Q

When is the most important stage of fungicide application for winter barley?

Why?

A

GS30-31

60% of the yield response

18
Q

Why grow Spring barley?

A

Opportunity for black grass control
Straw sales boost gross margin
Yield stability good

19
Q

When should Spring barley be sown?

A

Late December to mid May

20
Q

How many Spring barley seeds should be sown per m squared?

A

350-400 seeds

21
Q

What’s the ideal establishment rate for Spring barley?

A

300 plants per m squared

22
Q

When should Spring barley be drilled?

A

April-may

23
Q

When should Spring barley most importantly get fingicides?

A

T2 GS39-49