Bugs this week 26

posted Jun 27, 2020, 7:22 AM by Klaas Plas

This week several bugs.
Mainly different hoverflies
Ladybug larvea and pupea
But also problems with Thrips and Aphids
And then the beauty of working with flower zones to attract bugs. 

Growing trayplants with soaker hose

posted Dec 30, 2014, 10:21 AM by Klaas Plas   [ updated Dec 30, 2014, 10:24 AM ]

Plantmaterial are very important for the growth of strawberries. In growing trayplants better or worser irrigation, fertigation, plantprotection etc may cost quite a lot of yield in the coming year. 
In growing trayplants unfortunately quite some water and fertilizer is lost because it just doesn't reach its goal: the plant roots. Especially because of the shelter effect of the leafs as plants are some bigger, there are several plants dry whereas other get too much water. 

Beekenkamp packaging had developed a tray for dripirrigation. Unfortunately because of weather effects: shrinking and expansion irrigation became unequal (differences in water amount between plants too big).  
With these problems we started working on a system that might solve this. Beekenkamp therefor offered several trays to try out some ideas. 
With the same tray and a soaker hose the problems with shrink and expansion could be solved. Because of the large number of pores, the differences in water amount between the plants still remains acceptable. 

Below a film that shows how it works. 

Trayplants with soaker hose

Raspberry yellowing reason?

posted May 13, 2013, 6:21 AM by Klaas Plas

On the picture some yellowing of leafs in Raspberry. Cocopeat, in first 30% of the harvest. Further good looking crop. 
                pH              EC          %
Drip          5,5             2,0         
Drain        6,4             3,5          17

Strawberry Yellowing reason?

posted May 9, 2013, 12:08 PM by Klaas Plas

Treatments in last weeks:
1-Sanmite (Pyridaben 20%) 0,75 kg/2000 l water / ha
2-Agil (propaquizafop 100gr/l) 1 l/ha + Lontrell (klopyralid 300gr/l) 0,4 l/ha in 400 l water
3-Thiram granuflo (tmtd) 2,5 kg/2000 l water/ha

Below you may find the leafanalysis of this field. 


Information exchange with collegues from all over the world

posted Mar 20, 2013, 12:35 PM by Klaas Plas

Within LinkedIn the discussion group "Strawberry" has been opened for allready more than a year. Goal of this group is to discuss growthtechnical items in the Strawberry sector. So items, that are directly of interest for growers and consultants. 
Marketing messages as far as they are not directly interesting for growers are removed. In this way we hoop to keep the forum free from disturbing Marketing messages. 

At this moment we have around 500 members. Several of them are active joining discussions over several subjects like: Irrigation schedule for coco peat, growing on cocopeat, treatment agains vine weevil, weedcontroll etc. 

Want to join?
Just have a look at: http://www.linkedin.com/company/strawberry

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