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Arable Farming
Cropping
Fertliser spend per year
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<blockquote data-quote="farmerm" data-source="post: 6744039" data-attributes="member: 7195"><p>Theoretically I budget on 220kg N/Ha on wheats, 170kg on barley and 1st wheats after beans... </p><p></p><p>Lets say a 34.5% N product like Nitram is £230/t, 220Kg N / 0.345 equates to 637kg Nitram/Ha </p><p></p><p>£230/1000kg = 23p/kg of Nitram</p><p>637kg x 0.23p = £146.50/Ha £156/Ha if your Nitram was £245/tonne </p><p></p><p>Obviously its a bit more complex as some of the N will come from a N+S product and there is P+K fertiliser with rates that varies massively depending on soil type and farm history. </p><p></p><p>Its all well and good saving 5% fertiliser by using a more accurate machine but I am not sure I know what the optimum rate actually might have been until after the crop is harvested and sold... If wheat sells at £200/t the extra yield from 20% more N may more than cover the extra cost but if wheat ends up being sold for £100/t the optimum N rate was probably 20% less!</p></blockquote><p></p>
[QUOTE="farmerm, post: 6744039, member: 7195"] Theoretically I budget on 220kg N/Ha on wheats, 170kg on barley and 1st wheats after beans... Lets say a 34.5% N product like Nitram is £230/t, 220Kg N / 0.345 equates to 637kg Nitram/Ha £230/1000kg = 23p/kg of Nitram 637kg x 0.23p = £146.50/Ha £156/Ha if your Nitram was £245/tonne Obviously its a bit more complex as some of the N will come from a N+S product and there is P+K fertiliser with rates that varies massively depending on soil type and farm history. Its all well and good saving 5% fertiliser by using a more accurate machine but I am not sure I know what the optimum rate actually might have been until after the crop is harvested and sold... If wheat sells at £200/t the extra yield from 20% more N may more than cover the extra cost but if wheat ends up being sold for £100/t the optimum N rate was probably 20% less! [/QUOTE]
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Arable Farming
Cropping
Fertliser spend per year
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