PERFORMANCE of CEREAL CROPS in the TANANA RIVER VALLEY of ALASKA 1981

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PERFORMANCE of CEREAL CROPS in the TANANA RIVER VALLEY of ALASKA 1981

Wooding, F.J.; McBeath, J.H.; Hanscom, J.T.; Van Veldhuizen, R.M.; Delucchi, G.M.

URI: http://hdl.handle.net/11122/2442

Date: 1982-03

Publisher: Agricultural Experiment Station, School of Agriculture and Land Resources Management, University of Alaska

Type: Report

Table of Contents: Introduction -- Standard Bushel Weights and Conversion from English to Metric Units -- Tanana Valley Weather Summary: Table 1: Climatic Data for Delta Junction During the 1981 Growing Season; Table 2: Climatic Data for Fairbanks During the 1981 Growing Season -- Barley Performance Trials: Table 3: Long-Term Average and Range of Yields for Barley Standard Varieties Grown at Fairbanks and Delta Junction, 1971-1981; Table 4: Barley Variety Trials Conducted at Delta Junction and Fairbanks During the 1981 Growing Season; Variety Descriptions; Table 5: Barley Varieties Tested at Fairbanks and Delta Junction, 1971-1981 -- Oats Performance Trials: Table 6: Long-Term Average and Range in Yields for Oat Standard Varieties Grown at Fairbanks and Delta Junction, 1971 -1981; Table 7: Oat Variety Trials Conducted at Delta Junction and Fairbanks During the 1981 Growing Season; Variety Descriptions; Table 8: Oat Varieties Tested at Fairbanks and Delta Junction, 1971-1981 -- Spring Wheat Performance Trials: Table 9: Long-Term Average and Range in Yields for Wheat Standard Varieties Grown at Fairbanks and Delta Junction, 1971 -1981; Table 10: Wheat Variety Trials Conducted at Fairbanks and Delta Junction During the 1981 Growing Season; Variety Descriptions; Table 11: Wheat Varieties Tested at Fairbanks and Delta Junction, 1971-1981 -- Plant Disease Survey: Table 12: Summary of Diseases Observed on Barley Varieties under Field Conditions in Delta-Clearwater Area; Table 1 3: Vitavax Seed Treatment and its Effect on the Yield of Barley Varieties -- Diseases Observed on Crops During the 1981 Growing Season

Abstract:

This is the third publication in this form at on grain performance trials in the Tanana River Valley. The first, published two years ago, included the results of spring cereal variety tests conducted at Fairbanks and Delta Junction during the 1978 and 1979 growing seasons. The second, published one year ago, contained the test results from the 1980 growing season. Included in this report are a weather summary, the 1981 variety-test results, and a plant-disease section. Previous work with grain variety testing has shown that individual varieties do not perform the same when grown under different conditions. The yield a variety produces can be influenced by crop rotation, soil pH, fertilizer rate, tillage practices, rainfall distribution and amount, seeding rate, planting date, and many other factors. Each variety has its own particular set of growing conditions under which it best performs. For example, in the very same field, a variety that performs well on summer-fallow land may do poorly when planted on stubble land.

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