They do not like to risk seed of their own plants.

He used home-grown seed for nine years; he could not say that there was a serious deterioration or change in the quality of the tobacco, but a singular change in the form of the leaf took place.

That from home-grown seed gets longer, and the veins or ribs, which in Havana tobacco stand out at right angles from the leaf stalk, take an acute angle, and thus become longer and make up a greater part of the leaf.

Of Florida tobacco the home-grown seed comes true.
In summer the roads get very dusty in California, and this dust is a disadvantage to the tobacco planter.

On the Culp farm I found they were planting double rows of shade trees along the main roads, and graveling the interior roads; also, they seem to feel the high winds which sweep through the California valleys, and were planting almonds and cotton-woods for windbreaks in the fields.