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Silva Fennica 1926-1997
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Acta Forestalia Fennica
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Articles containing the keyword 'plant nutrition'.

Category: Research article

article id 10034, category Research article
Yan Ao, Peter M. Hirst, Guolei Li, Yahui Miao, Runzhe Zhang. (2018). Combined effects of provenance and slow-release fertilizer on nursery and field performance of yellowhorn seedlings. Silva Fennica vol. 52 no. 5 article id 10034. https://doi.org/10.14214/sf.10034
Highlights: Combining slow-release fertilizer (SRF) and provenance in the nursery has large effects on most seedling characteristics in yellowhorn; Stem and root P contents in the nursery, and height at the end of the second growing season (T3) in the field were mainly affected by provenance; Higher rates of SRF tended to increase root N, stem and root P contents in the nursery, diameter, and biomass at T3; The combination of AQ provenance with 120–200 mg N seedling–1 SRF yielding better nursery and field performance was recommended.

Yellowhorn (Xanthoceras sorbifolium Bunge) has been widely planted for biodiesel production in China, but has frequently shown poor field performance. Container-grown yellowhorn seedlings originating from three Chinese provenances, Wengniute Qi (WQ), Alukeerqin Qi (AQ), and Shanxian (SX), were fertilized with slow-release fertilizer (SRF) at 40, 80, 120, 160 or 200 mg N seedling–1. Tree growth, survival and nutrient content were measured after one year’s growth in a greenhouse followed by two years in a field site. Plants from AQ and SX tended to have higher stem and root P contents in the nursery. Higher rates of SRF increased root N, and stem and root P contents. After one year in the nursery, there were a number of interactions between provenance and SRF for plant growth responses and nutrient content in the nursery, however after two years of additional growth in the field, plants from the different provenances generally responded similarly to applied SRF in the nursery, with few interactions. Final plant height was approximately 10% lower in trees from provenance SX but was not affected by application of SRF. Conversely, final trunk diameter and stem and root biomass were unaffected by provenance but increased with higher rates of applied SRF. Our results indicate that application of SRF may be a useful tool to nutrient load yellowhorn in the nursery and facilitate transplanting performance in the field. Overall, optimal nursery and field performance of yellowhorn were observed in provenance AQ at 120–200 mg N seedling–1 SRF. We suggest that growers consider a wider range of yellowhorn provenances and SRF rates (above 200 mg N seedling–1) to yield even better growth response.

  • Ao, Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing Forestry University, 35 East Qinghua Road, Haidian District, Beijing 100083, China ORCID ID:E-mail: aoyan316@163.com (email)
  • Hirst, Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA ORCID ID:E-mail: hirst@purdue.edu
  • Li, Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing Forestry University, 35 East Qinghua Road, Haidian District, Beijing 100083, China ORCID ID:E-mail: glli226@163.com
  • Miao, Key Laboratory for Silviculture and Conservation, Ministry of Education, Beijing Forestry University, 35 East Qinghua Road, Haidian District, Beijing 100083, China ORCID ID:E-mail: 372902610@qq.com
  • Zhang, College of Forestry, Beijing Forestry University, 35 East Qinghua Road, Haidian District, Beijing 100083, China ORCID ID:E-mail: 793755837@qq.com

Category: Article

article id 5589, category Article
Jouko Silvola, Urpo Ahlholm. (1996). Effects of CO2 concentration on the nutrition of willows (Salix phylicifolia) grown at different nutrient levels in organic-rich soil. Silva Fennica vol. 30 no. 2–3 article id 5589. https://doi.org/10.14214/sf.a9234

Willows (Salix phylicifolia) were grown for four months in organic rich soil at four nutrient levels (fertilization with a micronutrient-macronutrient mixture of 0, 100, 500 and 1,000 kg ha-1 per month) and four CO2 concentrations (300, 500, 700 and 1,000 ppm). Nitrogen and phosphorus concentration of the willows were reduced at CO2 enhancement, the decrease being larger in the leave and roots than in the stems. Nitrogen content of the willows plus extractable nitrate-N in the soil coincided well with the doses of nitrogen supplied, but the corresponding sum of phosphorus in the plants and soil were smaller. The total nitrogen content of willows grown in unfertilized soil was nearly two times higher than the sum of the extractable nitrate-N in soil and N content of the cutting at the beginning of the experiment. The contents of nitrogen and phosphorus of the unfertilized willows were independent of CO2 concentration, suggesting that CO2 concentration did not affect through increased mineralization the availability of those nutrients to the willows.

  • Silvola, ORCID ID:E-mail:
  • Ahlholm, ORCID ID:E-mail:
article id 4977, category Article
C. J. Westman. (1977). Nutrient cycle in tree stands - Nordic symposium. Silva Fennica vol. 11 no. 3 article id 4977. https://doi.org/10.14214/sf.a14830

The Nordic working group for forest fertilization is a group of research workers from the Nordic countries Denmark, Finland, Norway and Sweden, which has been working on plant nutrition questions and forest amelioration problems. The group has met annually to discuss current problems, hitherto mostly concerning forest fertilization. In 1976 the question of future working forms came up, and the group decided to arrange a symposium on the subject Nutrient cycle in tree stands in 1977.

This symposium took place in Harjavalta and Ikalis in Finland from the 29th of August to 1st of September 1977. During the symposium 12 papers were presented, which are published in the following, either in full or as summaries of a given lecture. Part of the lectures are in English and part in Swedish.

The paper includes the following titles:

A bioelement budget of an old Scots pine forest in Central Sweden

Mobilization of plant nutrients in a Scots pine forest Mor in Central Sweden

Accumulation of organic matter and nitrogen on sand dunes following sand fixation and planting of dwarf mountain pine

Sambandet mellan torvmarkstyp och yttorvens näringshalt

Changes in the amounts of inorganic nutrients in the soil after clear-felling

Plant nutrient balance in decoration greenery cultivation

The effect of forest fertilization on primary production and nutrient cycling in the forest ecosystem

Förändringar i humuslagret efter skogsgödling

Balanserad näringsupptagning och behovet av gödsling i trädbestånd på näringsfattiga torvmarker

Of fertilization on nutrient contents in needles and litter fall of Scots pine on dwarf shrub pine swamp

Micro-nutrient deficiencies cause growth disturbances in trees

Tallarnas växtstörningar, markens näringsbalans och micronäringsbrist

  • Westman, ORCID ID:E-mail:

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