Stress can seriously reduce the potado yield. Drought – as in the last growing season – may play a role, but there are several factors that can be identified as caused.
A stress reaction, in the plant can be explained by the changing hormone regulation. This can be adjusted with the right knowledge and resources.
Stoller, the american manufacturer of plant nutrients, knows a lot about this. Agro-Sud from Riemst, in Belgium, has recently started to try out a range of products from the American company. The initial results seem promising.