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Reference · Crops

Salicaceae

Willow (genus Salix) belongs to the Salicaceae family and comprises hundreds of species of deciduous trees and shrubs. It is globally recognized in agriculture as a highly efficient crop for short rotation coppice (SRC), primarily grown for renewable biomass, pulp production, and environmental protection services.

Main sections

Xylosma14 Trichadenia2 Trimeria2
214 sections

What the section contains

Silesian willow Salix silesiaca Silky willow Salix sericea Silky-glaucous willow Salix glaucosericea Sitka willow Salix sitchensis Smooth willow Salix glabra Snow willow Salix nivalis Starke willow Salix starkeana Stinking willow Salix foetida Swamp cottonwood Populus heterophylla Swiss willow Salix helvetica Tarragona willow Salix tarraconensis Thyme-leaved willow Salix serpyllifolia Trichadenia Trichadenia 2 items Trimeria Trimeria 2 items Tsugaru willow Salix tsugaluensis Two-colored willow Salix bicolor Two-seeded willow Salix disperma Velvet-leaved willow Salix holosericea Violet poplar Populus violascens Violet willow Salix acutifolia Waldstein's willow Salix waldsteiniana Weeping willow Salix sepulcralis Wettstein poplar Populus wettsteinii Wilhelms willow Salix wilhelmsiana Wilson's poplar Populus wilsonii Wimmer willow Salix wimmeriana Xerophilous willow Salix xerophila Xiaohei Poplar Populus xiaohei Xylosma Xylosma G. Forst. Xylosma Xylosma 14 items Yellow willow Salix lutea Yellowing Willow Salix xanthicola Yewleaf willow Salix taxifolia Yunnan poplar Populus yunnanensis
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Salicaceae

Native to the temperate and cold regions of the Northern Hemisphere, the willow is well-adapted to diverse climates. However, for commercial productivity, the plant requires moist, fertile soils. Its resilience to waterlogging and its ability to thrive in riparian zones make it an excellent choice for sites where other crops might fail.

The botanical architecture of the willow includes a fibrous and aggressive root system that aids in soil stabilization. The plants are characterized by rapid juvenile growth and the ability to sprout from the stump after harvesting. These physiological traits allow for multiple harvests from a single planting cycle lasting up to 20 years.

Successful cultivation requires site preparation to minimize weed pressure, as young willows are poor competitors. Soil testing is essential to ensure adequate pH levels, ideally ranging between 5.5 and 7.5. Fertilization regimes should be tailored to the expected biomass yield, focusing on nitrogen and phosphorus availability.

Economic and ecological applications for willow are broad:

  • Energy production through biomass combustion.
  • Soil erosion control and riverbank restoration.
  • Phytoremediation of contaminated soils.
  • Traditional basketry and ornamental landscaping.
Management of pests, such as willow beetles and sawflies, and diseases like rust (Melampsora spp.) is critical for maintaining healthy plantations.