Potatoes - Maincrops Word Scramble
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Question | Answer |
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
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