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DRY MATTER YIELD OF NITROGEN FERTILIZED CRESTED WHEATGRASS ON THREE CHERNOZEMS (MOLLISOLS)

A. L. van Ryswyk, Klaas Broersma, John Whitney Hall, Alfred H. Bawtree

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Abstract

Crested wheatgrass (Agropyron cristatum) on three Chernozemic soil sites was fall fertilized once with 0, 25, 50 and 100 kg N ha−1 and harvested for 7 yr. Yield and yield response of crested wheatgrass to nitrogen were greater on the two moister sites and in the second and third (wettest) years. Low yield response on the driest site was likely due to a history of drought and phosphorus deficiency.Key words: Dry matter yield, crested wheatgrass, Agropyron cristatum, Chenozems, nitrogen fertilization, climatic moisture balance.

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What this paper is about

Crested wheatgrass (Agropyron cristatum) on three Chernozemic soil sites was fall fertilized once with 0, 25, 50 and 100 kg N ha−1 and harvested for 7 yr. Yield and yield response of crested wheatgrass to nitrogen were greater on the two moister sites and in the second and third (wettest) years. Low yield response on the driest site was likely due to a history of drought and phosphorus deficiency.Key words: Dry matter yield, crested wheatgrass, Agropyron cristatum, Chenozems, nitrogen fertilization, climatic moisture balance.

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Available abstract

Crested wheatgrass (Agropyron cristatum) on three Chernozemic soil sites was fall fertilized once with 0, 25, 50 and 100 kg N ha−1 and harvested for 7 yr. Yield and yield response of crested wheatgrass to nitrogen were greater on the two moister sites and in the second and third (wettest) years. Low yield response on the driest site was likely due to a history of drought and phosphorus deficiency.Key words: Dry matter yield, crested wheatgrass, Agropyron cristatum, Chenozems, nitrogen fertilization, climatic moisture balance.

Key concepts: Agropyron cristatum, Agropyron, Agronomy, Mollisol, Dry matter, Nitrogen, Yield (engineering), Environmental science

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DRY MATTER YIELD OF NITROGEN FERTILIZED CRESTED WHEATGRASS ON THREE CHERNOZEMS (MOLLISOLS) — Research Paper | ScholarLens