Taking an extensive general soil sample is a must for growers of asparagus. Bejo Zaden in Holland advises growers to take a sample each year, especially during the first few years of cultivation. The results can be utilized to further the ideal fertilization. The thin skin of the Cumulus variety calls for an adequate and precise process of fertilizing. Adding the right mixture of calcium, potassium and magnesium is crucial. An analysis performed by BLGG shows that an optimal calcium-potassium ratio of 1:1 is vital.
Early Cumulus with optimal fertilization
Bejo Zaden salesman Maurice Deben stresses that these results don’t just apply to the Cumulus variety. “We advise everybody to take an extensive general soil sample before cultivation, and once again after fertilizing. This will show you what the fertilization does for the crops. Only then can you determine the right mixture for an optimal growth.”
For the entire article click here.