WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Wednesday, January 17, 2018

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Search results on 01/17/18

5934. Rogers, R.D.. 1982. Undercutting as a wildlife conservation method.. Proc. Great Plains Ag. Council, p.25.
Using an undercutter without mulch treaders instead of surface tillage implements for fallow weed control in spring can save up to 50% of the bird nests in wheat stubble. Wheat stubble is often undisturbed following harvest and provides a good source of winter food and cover for wildlife. Nest survival increases directly with undercutter size and can potentially exceed 50% with large, wide-bladed undercutters. Both for wildlife and agronomic benefits, the use of an undercutter for the first spring fallow weed control operation is strongly recommended.

6600. Soni, P. and R.S. Ambasht. 1977. Effect of wheat crop-weed competition on the mineral structure of wheat crop.. Agro-ecosystems, 3:325-336.
It was found that the reduction in the concentration of nitrogen and phosphorous in the wheat plant started at the vegetative stage itself due to interference from weeds in the weedy stand and the maximal reduction was at the flowering stage (perhaps due to the maximal density of weeds at that stage). From the above investigation it is concluded that weeds growing along with crop plants significantly affect the mineral status of the crop as well as uptake, return and retention by wheat plants.

7028. USDA Soil Conservation Service. 1955. Joint Utah - Idaho Conservation Dryland Farming Guide.. .
Describes 3 basic rotations for the region: 1) grass/alfalfa - no more than 2 yr grain (Class IV land, precip. >17"); 2) grain - fallow - various rotations with alfalfa/grass or sweetclover depending on precip. (12-17"); 3) permanent grass/legume, with no more than 2 yr grain (precip 9-12", Class IV land); lists adapted grass and legume varieties; describes use of rotary hoe and skew treader for weed control. T: grass varieties.

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