Agriculture probably required a far greater discipline than did any form of food collecting. Seeds had to be planted at certain seasons, some protection had to be given to the growing plants and animals, harvests had to be reaped, stored… — Charles Heiser Copy Share Image
The word 'vegetable' has no precise botanical meaning in reference to food plants, and we find that almost all parts of plants have been… — Charles Heiser Copy Share Image
Agriculture probably required a far greater discipline than did any form of food collecting. Seeds had to be planted at certain seasons, some protection… — Charles Heiser Copy Share Image
