Revised; Originally Published: 2004 / 3 pp. / Wheat and barley are the two major small grain crops in Arizona. These crops can produce yields near maximum at a wide range of seeding rates due to yield component compensation. Grain yield is determined by plants per unit area, tillers per plant, kernels per head, and kernel weight. At a low seeding rate, the plant will compensate for fewer plants per unit area by producing more tillers per plant and larger heads. At a high seeding rate, fewer tillers are produced compared to a low seeding rate, and the heads are smaller. Therefore, grain yields near maximum can be produced at a wide range of seeding rates if conditions are favorable (see Fig. 1). Weed control can be a problem at low seeding rates and lodging may be a problem at high seeding rates. The optimum seeding rate for small grains depends on a variety of factors which will be discussed
Identifer | oai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/555995 |
Date | 05 1900 |
Creators | Ottman, Michael J. |
Publisher | College of Agriculture, University of Arizona (Tucson, AZ) |
Source Sets | University of Arizona |
Language | en_US |
Detected Language | English |
Type | text, Book |
Source | CALS Publications Archive. The University of Arizona. |
Relation | University of Arizona Cooperative Extension Service and Agricultural Experiment Station Bulletin AZ1334-2015 |
Page generated in 0.0018 seconds