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                    <mods:abstract lang="dut">PPO heeft een rekenmodel voor de toepassing van kalkmelk tegen vruchtboomkanker gemaakt. De uitgaven liggen hoger dan bij gangbare middelen. Als alle kosten meegenomen worden, is een teler met kalkmelk goedkoper uit. Zelfs als eigen arbeid niet wordt meegerekend.</mods:abstract>
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                      <mods:topic>Fruit</mods:topic>
                      <mods:topic>authorisation of pesticides</mods:topic>
                      <mods:topic>cankers</mods:topic>
                      <mods:topic>costs</mods:topic>
                      <mods:topic>eu regulations</mods:topic>
                      <mods:topic>fruit growing</mods:topic>
                      <mods:topic>lime</mods:topic>
                      <mods:topic>overhead irrigation</mods:topic>
                      <mods:topic>plant protection</mods:topic>
                      <mods:topic>trafficability</mods:topic>
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                      <mods:topic>PPO BBF Fruitgewassen</mods:topic>
                      <mods:topic>beregening</mods:topic>
                      <mods:topic>berijdbaarheid (bodem)</mods:topic>
                      <mods:topic>eu regelingen</mods:topic>
                      <mods:topic>fruitteelt</mods:topic>
                      <mods:topic>gewasbescherming</mods:topic>
                      <mods:topic>kalk</mods:topic>
                      <mods:topic>kanker (plantenziektekundig)</mods:topic>
                      <mods:topic>kosten</mods:topic>
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