Cultivation of Paulownia. Paulownia tree (Paulownia fargesii).
Paulownia tree (Paulownia fargesii)

Cultivation of Paulownia - 2. Soil & Field Selection

In the second part of the tribute to the cultivation of Paulownia, the soil characteristics that favor the development of the tree and the areas indicated for its large-scale planting are examined and presented.

On the other hand, incomprehensible Chinese writing is not considered – but something can arise on this subject in a somewhat predictable future.

Cultivation of Paulownia

Paulownia elongata Young Trees
Paulownia elongata Young Trees
Paulownia or Empress Tree in Blooming (Paulownia tomentosa)
Paulownia or Empress Tree in blooming (Paulownia tomentosa)

Soil Characteristics

Suitable soils for the cultivation of Paulownia are well-drained alluvial sandy clay to sandy loam with a depth greater than 0.75-1 m. In terms of soil fertility, research shows that Paulownia can grow satisfactorily even on barren soils with low nutrient content as long as they have the proper texture and drain, not water retention.

Under no circumstances tolerates heavy soils, in which the percentage of clay is greater than 25% and the soil porosity is less than 50%. If within these frames the percentage of clay approaches the maximum values and is found in the upper layers there is a rapid growth in the early years, but then it is slowed down.

This phenomenon is due to the fact that clay initially providing the necessary nutrients in Paulownia does not create the necessary conditions for the root system of the tree to develop in depth and thus fails to support its nutritional needs. It is noteworthy that Paulownia may have a shallow or deep root system and whether it will be in one form or another depending on the climate-earth conditions.

More resistant to clayey soils is Paulownia fortunei and P. tomentosa and little P. elongata.The cultivation of Paulownia should be done in soils whose salinity is less than 1%. The presence of water favors the cultivation of Paulownia, provided that the aquifer is at a depth of 1,50 m from the surface of the soil. Paulownia develops in soil pH ranging from 5.0 to 8.9, but thrives in soil pH 6. The optimum soil temperature for Paulownia
cultivation is at 15-16 °C.

Cultivation of Paulownia

Paulownia planting - Young Paulownia Trees (Paulownia tomentosa)
Young Paulownia Trees (Paulownia tomentosa)

Field Selection for the Cultivation of Paulownia

Paulownia shows great adaptability in a large elevation range. Appropriate areas are those located in altitude from 200 up to 1300 m above sea level.

The cultivation of Paulownia in windy areas is not appropriate because, among other danger, to dehydrate. Also good is to avoid planting in places with southern exposure, due to the thin bark is increased the risk of sunscalds.

The development of Paulownia favored in slightly sloping ground. Areas in which observed early autumn and late spring frosts should definitely be avoided.

However, there is no need to avoid hearing the popular Chinese march Radetzky March, the well-known Chinese composer Johann Strauss. It should sound and be heard loud.

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