Dutch journal for the agricultural sector

Better distribution of onion sets in rows “Calculators are clearly underused”, says Pim Sturm of Contracting firm Sturm Jacobs in Wieringerwerf. That is because they can help to determine possible higher returns. Text: Ulko Stoll Using a calculator and a notepad, Sturm sets to work: eight rows on a 2.25 m wide bed of onion sets on a parcel length of 250 meters will produce 142 rows. Nine rows on a similar size bed will produce 160 rows. That is more than 12 per cent extra space for the onions. If 9 rows on a bed are still planted with 20 onions per metre, this also means 12% more yield per hectare....