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1. Logistic Response of Bermudagrass and Bunchgrass Cultivars to Applied Nitrogen

Author:
A. R. Overman; M. A. Sanderson; R. M. Jones
Source:
Agronomy journal 1993 v.85 no.3 pp. 541-545
ISSN:
0002-1962
Subject:
interspecific variation; cultivars; mathematical models; forage crops; Panicum coloratum; application rate; soil water content; Cynodon dactylon; arid zones; dry matter accumulation; crop yield; rain; growth models; Eragrostis curvula; Cenchrus ciliaris; nitrogen fertilizers; Texas
Abstract:
... Models provide a quantitative means to evaluate yield response of forage grasses to applied N and water availability. The objective of this analysis was to estimate model parameters (A, b, c) for bermu. dagrasses and bunchgrasses grown at the same location and during the same time period. The logistic equation was used to relate annual dry matter production to applied N for three bermudagrasses [C ...
DOI:
10.2134/agronj1993.00021962008500030004x