Results 191 to 200 of about 3,264 (215)
Some of the next articles are maybe not open access.

Ureolysis, Immobilization, and Nitrification in Black Spruce (Picea mariana Mill.) Humus

Soil Science Society of America Journal, 1966
Abstract The transformations of urea in black spruce humus from an untreated plot and from a plot fertilized with 400 lb urea‐N/acre 2 years before sampling were studied using incubation tests. Urea‐N (3,500 ppm) added in the laboratory disappeared within 2 days.
M. R. Roberge, R. Knowles
openaire   +1 more source

Picea mariana (black spruce)

PlantwisePlus Knowledge Bank, 2022
openaire   +1 more source

Frost hardiness gradients in shoots and roots ofpicea marianaseedlings

Scandinavian Journal of Forest Research, 1995
Eduardo Blumwald
exaly  

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