David Pike

David Pike
Agrible Inc

Ph,D.

About

11
Publications
659
Reads
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200
Citations
Citations since 2017
0 Research Items
49 Citations
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2017201820192020202120222023051015
2017201820192020202120222023051015
2017201820192020202120222023051015
Introduction
Skills and Expertise

Publications

Publications (11)
Technical Report
Full-text available
The decision of a company to invest in the discovery, development, and launch of a new pesticide carries a high level of risk. It begins with an expectation or assumption of future needs and gets translated into goals which, if innovative discoveries are made, transform into actionable projects. Much of that risk is inherent to two major factors: t...
Article
Region, soil type, and tillage are important factors in severity of crop pest infestation. This study was conducted to determine the relative importance of these factors on severity of crop pest infestation as perceived by farmers. Correlations between pests were also studied. In a 1992 survey, farmers in 12 U.S. Corn Belt states were asked to rate...
Article
An algorithm was developed for use in a geographic information system (GIS) to model the surface movement of herbicide in response to a rainfall event as modulated by slope, soil, management practices, and time of herbicide application. This algorithm was implemented in the GIS software Geographic Resource Analysis Support System (GRASS) and uses a...
Book
Abstract : This handbook discusses agricultural climatology in Illinois, the agronomy of maize, soyabeans, small grains (wheat, rye, triticale, oats, barley) and grain sorghum, cover crops and cropping systems, alternative crops for Illinois (including sunflowers, oilseed rape, buckwheat), hay, pasture and silage, seed production of forage legumes,...
Article
Full-text available
The adoption of herbicide use within Illinois has passed through four stages characterized by methods of application. These stages include an initial stage of POST applications, the PRE stage, the PPI stage, and the most recent stage marked by diversification of application methods. Data from 19 pesticide use surveys conducted in Illinois since 195...
Article
Full-text available
Field studies using area-of-influence techniques were conducted in 1987 and 1988 to evaluate soybean growth and yield, and to predict soybean yield losses from photographs of jimsonweed and common cocklebur canopies. Differences in weed competitiveness within the 100-cm area of influence were induced by dates of soybean planting, locations, weed sp...
Article
Full-text available
Leaf expansion is an important factor determining the competitive ability of a crop or weed. Crop models for leaf expansion have been under study and development for some time; we report here an exploratory effort to develop a similar information base for weed models. Such models summarise what is known about plant behavior; study of crop: weed com...

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