… Indeed, a proportion of the plough layer in the gravel fraction is considered to assist soil … The pick machines favoured in USA and Canada do not necessarily achieve the planting accuracy … Entz and La Croix (1983) cite the performance of one machine which gave a coefficient of …
CITATION STYLE
Witney, B. D., & McRae, D. C. (1992). Mechanization of crop production and handling operations. In The Potato Crop (pp. 570–607). Springer Netherlands. https://doi.org/10.1007/978-94-011-2340-2_13
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