Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Potatoes - Maincrops

QuestionAnswer
Family Solanaceae
Rotation 1 in 4 last field before Lime
Soil suitability pH 5 - 5.5 Brown earths stone free
varieties Golden wonders roosters
seed bed prep deep plough 22cm till remove stones make ridges
Time of sowing March
seeding rate 40000 - 60000 seeds / Ha or 5 ton / ha
method potato planter
fertiliser N:P:K 150:150:300 Kg / Ha
too much nitrogen delays maturity
2 x pests eelworms aphids
2 x diseases Blight (fungus) blackleg (Bacteria)
harvesting - time Oct onwards
harvesting - method elevator digger
Yield 30 - 40 ton / ha
sprouting expose potatoes to light to produce sprouts
too much potassium reduces dry matter
phosphorous increase DM
where is certified seed produced Donegal
why is certified seed produced in Donegal wet and windy weather keeps aphid population low --> these are "vectors" for disease
What is earthing - up? Increasing the amount of soil around the stalks to prevent sunlight reaching the tubers to prevent greening
why, and when, do you burn off the haulms 2-3 weeks before harvesting to make harvesting easier and toughen up the skins
leaf roll diease viral disease
scab damages the potato skin caused by a high pH
what is greening of the tubers? sunlight cuases alkaloids in the potato to form this can be toxic if consumed at high levels
Created by: msbrowne
Popular Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards