Christmas tree cultivation

Balanced fertilization schedule Granustar CRF for maximum result!

Mivena has more than 15 years of experience in the cultivation of Christmas trees. We are learning every day how we can optimize our strategies.

We get a lot of new information from our Field trials in Germany. At trial centre LWK Schleswig Holstein we have done extensive research for several years on Christmas tree cultivation. We use the results from these tests to optimize our fertilizer applications.

In addition to making the right nutrients available, it is important that the soil conditions are optimal. Soil structure to stimulate fine rooting. We need this fine rooting in particular for Calcium en Magnesium uptake.

pH value and deficiency symptoms in Christmas trees
Before planting a new area, a soil survey should be carried out to check the suitability of the soil for the intended tree species. Nutrient deficits can be compensated for beforehand.

Even if the soil is well supplied with nutrients, the tree is no longer able to absorb them and extreme deficiency symptoms occur. Unfortunately, fertilizing measures do not help here.

In addition to the absorption of the main nutrients, the trace elements boron, copper, iron and zinc in particular are impaired or blocked.

 

Optimal soil pH value:

pH: 5,5 – 6,5 pH: 5,0 – 6,0 pH: 4,5 – 5,5
Abies concoler Picea abies Abies nordmanniana
Abies lasiocarpa Abies homolepsis Abies bornmuelleriana
Picea engelmannii Abies grandis Abies koreana
Picea pungens    
Pinus nigra austriaca    

 

The tolerance range of the various tree species is sometimes very wide, so that good growth is also possible. From a value of 6.5 and more, the cultivation of Abies Nordmanniana becomes problematic.

Bud formation and growth
Bud formation, root system and correct growing methods are crucial for the quality of the harvested tree. With the right nitrogen application you can control the amount of growth of the young shoot.

Limit the available nitrogen by using coated fertilizers
To get a nice even full tree is important that the available nitrogen is limited.
To achieve good growth, a constant supply of nitrogen is required.

Desired nitrogen availability is in particular ammonium and limited nitrate. This in combination with the right cation balance. Our Christmas tree special Granustar CRF has an optimal nitrogen combination for this nutritional requirement.

Granustar CRF is a combination of coated urea with an ammonium and nitrate starter. The urea in this fertilizer is released based on temperature and becomes available in a controlled manner in ammonium and nitrate.

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Granustar CRF 18+5+10+10MgO+Trace elements 3M – Christmas Tree Special
Our Granustar CRF Christmas tree special is a complete fertilizer for open ground Christmas trees. This fertilizer has been specially developed for optimal growth and appearance. In addition to main elements, this fertilizer contains for Christmas tree essential trace elements like Manganese, Copper, Boron, Molybdenum, Zinc and Iron.

Furthermore, we increased the amount of Magnesium in this analysis. Especially in the second half of the season, we regularly see magnesium deficiency. A magnesium sulphate addition in the spring is clearly not sufficient for the entire season. Optimal dosage and application depending on the number of trees per ha, tree size, tree species and soil type.

General application Granustar CRF:

End March- April
200-250 kg / ha
Granustar CRF 18+5+10+10MgO+Trace elements 3M

July
200-250 kg / ha
Granustar CRF 18+5+10+10MgO+Trace elements 3M

 

Top up with the field sprayer:
(This is not a standard application but a fine-tuning when desired)

2 – 3 kg / ha
Granusol WSF 27+15+12+MgO+TraceElements+MV10

0.5 – 1.0 kg / ha
Granusol WSF MICRO high MgO

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Field-Cote SMART application
Interesting is also a completely different way of applying fertilizers, in the planting hole. We have interesting experiences in tree nursery with this application.

A Field-cote SMART with an effective duration of 2.5 growing seasons is dosed directly into the planting hole. This results in very efficient use of fertilizers with particularly good cultivation technical results. We have seen that in tests we can reduce N by up to 40% with minimally comparable results.