23 research outputs found
Reaction of soybean cultivars to waterlogged soil
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file.Title from title screen of research.pdf file (viewed on August 28, 2007)Includes bibliographical references.Thesis (M.S.) University of Missouri-Columbia 2006.Dissertations, Academic -- University of Missouri--Columbia -- Plant, insect and microbial sciences.Irrigating soybean prior to an extensive rain can result in waterlogged soil that may cause root damage and plant death. Some soybean cultivars tolerate waterlogged soils. The objective of this study was to evaluate tolerance of soybean cultivars to waterlogged soils at different soybean growth stages and flood durations. A selection of maturity group IV soybean cultivars was screened for flood tolerance in the field. Five cultivars were selected for variations in tolerance to waterlogged soil conditions. An experiment was conducted to determine the response of these cultivars to waterlogged soil for 192 h at thee growth stages (V5, R1, and R5). A second experiment was conducted to determine the response of these cultivars to flood for 0, 48, 96, 144, and 192 h at the R1 stage of growth. A significant interaction was found between cultivars and growth stage flooding when exposed to waterlogged soil. The greatest yield suppression from waterlogged soil occurred at the R5 growth stage compared to V5 and R1. Soybean yield suppression due to waterlogged soil was least when flood was applied at V5 compared with the R1 and R5 stages of growth. Flood duration had a significant negative effect on soybean yield (P = 0.0012). When averaged across years and cultivars, soybean yields declined 310 kg ha-1 after being flooded for 192 hours at bloom compared to non-flooded checks. Significant interactions between cultivar and duration were not found
Rice Production with Furrow Irrigation in the Mississippi River Delta Region of the USA
Furrow irrigated rice is an alternative method for growing rice with less water and labor than conventional flood irrigation. In the Mississippi River Delta region, layflat plastic pipe is used to supply water to furrows from irrigation wells. Different size holes are punched in pipe to optimize uniformity of water distribution. Beds are made before planting to channel water down furrows. Rice seed is planted in rows with a grain drill. Water infiltration in furrows is two-dimensional through a wetted perimeter with soil in the bottom of furrows and sidewalls of beds. An ideal field for furrow irrigation has no more than 0.1% slope with high clay content. No rice cultivars have been developed specifically for furrow irrigation but tests showed that some cultivars tolerate water stress better than others. In field trials, rice yields with furrow irrigation were lower than flooded rice with the greatest yield loss in the upper part of fields. However, results indicated that rice yields can be increased with proper timing of nitrogen fertilization and irrigation and adaption of new rice herbicides for weed control
Nitrogen Fertilization for Sweet Sorghum Used for Producing Ethanol Fuel [abstract]
Only abstract of poster available.Track II: Transportation and BiofuelsAn experiment is being conducted to determine optimum nitrogen fertilizer rates for producing
ethanol from corn and sweet sorghum on three Delta soils in Southeast Missouri. Sweet sorghum
in commonly grown in Missouri for producing sorghum syrup. But, in this project, we are
evaluating using the sorghum sugar to produce ethanol. Seven N rate treatments per crop are
being used with four replications. In 2007 on a silt loam soil, we found that sorghum stalks
contained sucrose, glucose and fructose which can be fermented to produce 587 gallons of
ethanol per acre. Added with 195 gallons possible from converting glucan (cellulose) in the
stalks to ethanol, the total potential ethanol was 782 gallons per acre. In 2007, corn plots in the
same study yielded over 200 bushels grain per acre which produced close to the same amount of
ethanol as from sweet sorghum sugar. This is assuming a conversion rate of 2.8 gallons of
ethanol per bushel of corn grain. The main difference was that only 60 lbs N per acre was
required on the sweet sorghum to produce optimum sugar yields versus 160 lbs N per acre in the
corn plots. In 2008, corn yields plateaued at 175 bushels per acre on the silt loam soil but
produced less than 100 bushels on the sandy loam and heavy clay soils. However, the sorghum
produced 26 and 38 tons of stalks fresh weight per acre with juice averaging 15 and 11 Brix
sugar content on the sandy loam and clay soils, respectively. This indicates that we may be more
efficient planting corn for food and feed on our most productive silt loam soils and growing
sweet sorghum for ethanol in fields with marginal soils
The Effects of Bank and Nonbank Provider Locations on Household Use of Financial Transaction Services
Nonlinear dynamic simulation and control of large-scale reheating furnace operations using a zone method based model
Calculation of the Radiative Heat-Exchange Areas in a Large-Scale Furnace with the Use of the Monte Carlo Method
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3-Year Follow-up Analysis of ZUMA-5: A Phase 2 Study of Axicabtagene Ciloleucel (Axi-Cel) in Patients with Relapsed/Refractory (R/R) Indolent Non-Hodgkin Lymphoma (iNHL)
Three-Year Follow-Up Analysis of Axicabtagene Ciloleucel in Relapsed/Refractory Indolent Non-Hodgkin Lymphoma (ZUMA-5)
•Axi-cel demonstrated durable responses in patients with FL and MZL after 3 years of follow-up.•Elevated baseline total metabolic tumor volume and recent prior bendamustine use may impact durable remissions in patients with FL.
Axicabtagene ciloleucel (axi-cel) is an autologous anti-CD19 CAR T-cell therapy approved for relapsed/refractory (R/R) follicular lymphoma (FL). Approval was supported by the phase 2, multicenter, single-arm ZUMA-5 study of axi-cel in patients with R/R indolent non-Hodgkin lymphoma (iNHL; N=104), including FL and marginal zone lymphoma (MZL). In the primary analysis (17.5 months median follow-up), overall response rate (ORR) was 92% (74% complete response rate). Here we report long-term outcomes from ZUMA-5. Eligible patients with R/R iNHL after ≥2 lines of therapy underwent leukapheresis, followed by lymphodepleting chemotherapy and axi-cel infusion (2×106 CAR T cells/kg). The primary endpoint was ORR, assessed in this analysis by investigators in all enrolled patients (intent-to-treat). After median follow-up of 41.7 months in FL (n=127) and 31.8 months in MZL (n=31), ORR was comparable to the primary analysis (94% in FL; 77% in MZL). Median progression-free survival was 40.2 months in FL and not yet reached in MZL. Medians of overall survival were not reached in either disease type. Grade ≥3 adverse events of interest occurring since the prior analysis were largely in recently treated patients. Clinical and pharmacokinetic outcomes correlated negatively with recent exposure to bendamustine and high metabolic tumor volume. After 3 years of follow-up in ZUMA-5, axi-cel demonstrated continued durable responses, with very few relapses beyond 2 years, and manageable safety in patients with R/R iNHL. The ZUMA-5 study is registered at ClinicalTrials.gov (NCT NCT03105336