Mulching grooved seedbeds with straw. White pine, 0, mulching.

Seeds in grooved seedlines from grooved roller. White pine, 0, seedbeds.

Extracted seedlings to show root development. Black spruce, 1+0, container stock.

Drills own jack pine, really results in bands. First slide shows September beds and the second the same in June. Jack pine, 1+0, sowing in drills.

General view inside greenhouse. Black spruce, 1+0, container stock.

50-day old black spruce in plastic house, broadcast peat beds. Black spruce, 1+0, seedlings.

First main plastic house crop in paper pots after 50 days i.e. 50 days after sowing. Black spruce, 1+0, container stock, paper pots.

A general view of plastic greenhouses to grow paper pots; each house can grow 2 million seedlings. Greenhouse.

A general view of transplant lines after enlargement of field. Black spruce, 2+2, transplants.

Chemically thinned with "gramoxone." Black spruce, 3+0, thinning.