General view inside greenhouse, n.b. low irrigation boom and worker riding on it; Rochester nursery. Fir douglas, 1+0, container stock. Weyerhauser.

Seedlings and low irrigation boom, with support for people to ride. Fir douglas, 1+0, container stock. Weyerhauser.

Woman moving irrigation boom across house. Fir douglas, 1+0, container equipment. Weyerhauser.

Detail of irrigation equipment. Fir douglas, 1+0, container equipment. Weyerhauser.

General view of house, n.b. low irrigation boom in use and platform for workers to tend seedlings. Fir douglas, 1+0, container stock. Weyerhauser.

General view of seedlings sown April, at 4 months. Fir douglas, 1+0, seedlings. Weyerhaueser.

Seedlings sown in April at 4 months; cf.slide #398. Difference is due to different soil mix. Fir douglas, 1+0, seedlings. Weyerhaueser.

Seedling at 4 months, extracted from Leach tube. Fir douglas, 1+0, container. Weyerhaueser.

Overwintered container (Leach tube); sown April 1973, photo Aug/74. Fir douglas, 1+0, container. Weyerhaueser.

Drill sown June 1/74 at Aurora nursery. Fir douglas, 1+0, seedbeds. Weyerhaueser.