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Filtering by: Alternative title ssim Station circular 120 Advisor Appleby, Arnold P. Committee Member Burrill, Larry

An evaluation of weed interference in rice grown on hydromorphic soils in West Africa

Creator:

Diop, Amadou Makhtar

Abstract:

Field, screenhouse, and laboratory experiments were conducted to study weed interference in rice grown on hydromorphic soils at the International Institute of Tropical Agriculture (IITA) at Ibadan, Nigeria. Rice and weeds emerged at the same time, 1 week after planting. Weed dry weight was significantly reduced when the crop was...

Resource Type:

Dissertation
Studies of napropamide decomposition on the soil surface

Creator:

Apley, Kathryn Lynne

Abstract:

Napropamide [2-(alpha-naphthoxyl)-N,N-diethylpropionamide], a preemergence herbicide, is widely used in the United States on a variety of tree fruits, nut crops, vegetables, and mint for annual grass and broadleaf weed control. When napropamide has been left on the soil surface without incorporation through irrigation or mechanical means, inconsistent results have been...

Resource Type:

Masters Thesis

Full Text:

Experiment Station, and also for his suggestions in the prepara- tion and correction of this manuscript. To
Interference of annual weeds in seedling alfalfa

Creator:

Fischer, Albert J.

Abstract:

The interference of barnyardgrass (Echinochloa crusgalli), pigweed (Amaranthus retroflexus),downy brome (Bromus tectorum),and tumble mustard (Sisymbrium altissimum) with alfalfa was studied. Alfalfa was seeded with each of the four weeds on August 14 and September 15, 1981, and on April 13, 1982. Alfalfa also was seeded on August 27, 1981, with...

Resource Type:

Masters Thesis

Full Text:

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