In very rich soil the strong-growing Forastero variety may be planted 3.7 meters apart each way, or 745 trees to the hectare, and on lighter lands this, or the more dwarf-growing forms of Criollo, may be set as close as 3 meters or rather more than 1,000 trees to the hectare.
"Cacao Culture in the Philippines"
William S. Lyon
In Belgium the produce of all forests is 19.33 francs per hectare, and of State forests 34.42 francs.
"Contemporary Socialism"
John Rae
Still, they may claim that the per-hectare yields of modern agriculture are increasing, but how far can we trust the statistics of the Ministry of Agriculture?
"Down-with-the-Cities"
Nakashima, Tadashi