Tillage chapter 12
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| crop rotation | when different crops are lantedin a defined sequence. This prevents a build up of pests and diseases. It also encourages nutricient management
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| direct control | when the chemical is used to kill the weed, pest, or fungi.
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| indirect control | the chemical does not kill the weed or pest, but discourages their growth.
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| biological control | to use a living organism to contain/control or kill the pest causing a problem ie. ladybird and the aphet.
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| herbicide | a chemical that kills only weeds and other plants. They can be non selective or selective.
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| pesticide | a chemical that kills only pests , insects or rats usually.
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| fungicide | a chemical that only kills or inhibits that growth of a fungi.
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| the plough | used to break up and turn soil usually for seed bed preperation.
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| organic farming | does not allow the use of genetically modified crops or organophosphates ie. main herbidies, pesticides and fungicides.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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