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Path analysis of heavy metal adsorption by soil
Path analysis, a statistical technique that differentials between correlation and causation, was used to describe heavy metal adsorption by soil. A path analysis model that evaluates the effect ofExpand
Reciprocal Yield Analysis of Red Rice (Oryza sativa) Competition in Cultivated Rice
Four years of field experiments were used to assess the competitive ability of red rice, a weedy variety of rice, and 'Mars', a cultivar of Rice, indicating that the two varieties were competing for the same resources. Expand
Water quality impacts associated with pre- and postemergence applications of atrazine in maize
Herbicide contamination in surface runoff varies greatly depending on the herbicide management alternatives used. This study was conducted to determine if herbicide runoff is influenced by the timingExpand
Weed-crop competition models and response-surface analysis of red rice competition in cultivated rice: a review
Field experiments were conducted in 1987 and 1989 to evaluate a model describing the competitive interaction between red rice (Oryza sativa L.), a weedy variety, and the commercial cultivar, Mars. Expand
Technical Notes: Comparison of Three Methods of Residue Cover Measurements on Rainfall Simulator Sites
Video image analysis, drop pins, and dot-screen methods were used to measure wheat residue cover in 1-m2 rainfall simulator boxes under undisturbed field conditions. The data set consisted of 53Expand
Path analysis of tomato yield components in relation to competition with black and eastern black nightshade
Additional index words. correlation coefficient petitioning, interference, Lycopersicon esculentum, modeling, regression analysis Abstract. Path analysis is a statistical method for determining theExpand
Biological Control and Use of Adjuvants against Multiple Seeded Cocklebur (Xanthium strumarium) in Comparison with Several Other Cocklebur Types
MS appears to be the most sensitive biotype, and mortality increased from 0 to 100% on all three biotypes at a rate of 2.5×104 conidia mL−1 in Silwet and MESUCO. Expand
The reproductive attributes of an endangered plant as compared to a weedy congener
Inflorescence output was the most important variable determining seed output and seed yield for both the rare and common species, whereas seed weight had no significant direct effect on seed output or seed yield. Expand
Path Analysis of Red Rice (Oryza sativa L.) Competition by Cultivated Rice
Path analysis indicated that the number of panicles plant1 and florets panicle1 were the most important yield components determining the responses of fecundity and grain yield to competition. Expand
An Alternative Approach for Evaluating the Efficacy of Potential Biocontrol Agents of Weeds. 1. Inverse Linear Model
Methods for evaluating the efflicacy of potential classical biocontrol agents were outlined and a dramatic change in the competitive interaction between fiddleneck and wheat due to the nematode was revealed. Expand