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Category Posts for Physiology

05
Feb
2018
2017 Soybean Update now available
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist The 2017 Soybean Update is now available for download.  This publication is provided as an aid in variety selection.  Hundreds of soybean varieties are commercially available to growers in Arkansas. Varietal performance, including yield, varies according to location, environmental adaptability to soils, maturity, lodging, height, disease and nematode resistance, […]

05
Feb
2018
Webinar recordings: Horizon Ag, Baseline Projects, RiceTec Hybrid Rice Evolution, and Arkansas Rice Breeding now available
Author: Bobby Coats, Professor of Economics

By Bobby Coats, Professor of Economics and Agricultural Economist Have you missed the past few Food and Agribusiness Series webinars with Dr. Bobby Coats?  Visit his webpage to hear from several experts in the field of rice breeding and research, and economics and marketing including Dr. Tim Walker of Horizon Ag, Dr. James W. Richardson, […]

31
Oct
2017
Rice Research Verification Program Final Update – October 27, 2017
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ralph Mazzanti and Ron Baker, Rice Research Verification Program Coordinators All fields are harvested and yields are calculated. Program fields in the south had a yield average of 196 bushels/acre while those in the north averaged 176 bushels/acre for a combined yield average of 186 bushels/acre. This is a 20 bushel increase over the […]

06
Oct
2017
Cotton termination: Heat unit accumulation as of Oct. 6, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]

14
Sep
2017
Cotton termination: Heat unit accumulation as of Sept. 14, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]

13
Sep
2017
Maximizing Wheat Yields and Profit in 2018
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Extension Wheat and Feed Grains Agronomist The 2017 Arkansas wheat crop was small in acreage but many producers reported exceptional yields with intensive management.  Acreage was at or near record lows with approximately 195,000 acres planted in the fall of 2016.  Acreage was down for several reasons, but low grain prices at […]

12
Sep
2017
Rice Research Verification Program Update for Sept. 8, 2017
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ron Baker and Ralph Mazzanti, Rice Research Verification Program Coordinators South Arkansas:  Seven of nine fields have been harvested with yields all over the board ranging from excellent to poor.  Prairie County was excellent as well as the Jefferson County row-water field.  The Clark County field encountered severe blast and had a lot of […]

07
Sep
2017
Cotton termination: Heat unit accumulation as of Sept. 6, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]

01
Sep
2017
Cotton termination: Heat unit accumulation beyond cutout as of September 1, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]

30
Aug
2017
Cotton termination: Heat unit accumulation beyond cutout as of August 30, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]