Agronomy and Ecophysiology of Hemp Cultivation

Adapting the cultivation of industrial hemp (Cannabis sativa L.) to marginal lands: A review

“…This production strategy is now mainly used for producing a high‐quality fiber, and it requires monoecious or dioecious cultivars (e.g. “Kompolti,” “Carmagnola Selezionata”) to be sown at high densities (45–80 kg ha −1 ) and harvested at full‐flowering, so as to maximise the yield and quality of the fiber (Blandinières & Amaducci, 2022; Liu et al, 2015; Mediavilla et al, 2001; Westerhuis et al, 2019). Sowing at high density reduces the secondary growth of the stems (Amaducci et al, 2002), thus increasing the ratio of primary‐to‐secondary fiber (Amaducci et al, 2002; Amaducci et al, 2005; Keller et al, 2001).…”

“…As discussed in Section 2, hemp can be cultivated following diverse production typologies, each being characterised by specific crop management practices (Blandinières & Amaducci, 2022), providing a lever for action for adapting the cultivation of hemp to given bio‐physical constraints.…”

“…Therefore, dual‐ and multi‐purpose hemp seem more suited on heavy clay soil than single‐use fiber production. Soil preparation, which is always important for hemp, becomes critical on heavy clay soils on which a deep autumn/winter ploughing and harrowing right before sowing has been recommended (Amaducci et al, 2015; Blandinières & Amaducci, 2022). On coarse sandy soil, the only available literature reported either crop failures or particularly low yields (Manevski et al, 2017) which does not allow to draw conclusions on the optimal production strategy but rather tend to imply that hemp should be avoided on such soils.…”

“…How to cite this article: Blandinières, H., & Amaducci, S. (2022). Adapting the cultivation of industrial hemp (Cannabis sativa L.) to marginal lands: A review.…”