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Full-Text Articles in Life Sciences

Rice Biomass Response To Various Phosphorus Fertilizers In A Phosphorus-Deficient Soil Under Simulated Furrow-Irrigation, Jonathan B. Brye, Kristofor R. Brye, Diego Della Lunga Jan 2023

Rice Biomass Response To Various Phosphorus Fertilizers In A Phosphorus-Deficient Soil Under Simulated Furrow-Irrigation, Jonathan B. Brye, Kristofor R. Brye, Diego Della Lunga

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Wastewater-recovered phosphorus (P), in the form of the mineral struvite (MgNH4PO4∙6H2O), may provide a sustainable alternative to decreasing rock-phosphate reserves. Struvite can be generated via precipitation methods, potentially reducing the amount of P runoff to aquatic ecosystems. The objective of this greenhouse tub study was to evaluate the effects of chemically and electrochemically precipitated struvite (CPST and ECST, respectively) on aboveground plant response in a hybrid rice cultivar grown using furrow-irrigation compared to other common fertilizer-P sources [i.e., triple super phosphate (TSP) and diammonium phosphate (DAP)] using three replications of fertilizer treatment in a P-deficient silt loam (Typic Glossaqualfs). Aboveground …


Evaluation Of Mixing Efficacy Of Carriers For Supplemental Nutrient Premixes In Animal Feed, Dalton Holt, Charles G. Aldrich Jan 2021

Evaluation Of Mixing Efficacy Of Carriers For Supplemental Nutrient Premixes In Animal Feed, Dalton Holt, Charles G. Aldrich

Kansas Agricultural Experiment Station Research Reports

Animal feed is commonly formulated with vitamin and mineral premixes to supply the micronutrient requirements of the animal. Premixes typically require carriers which act as a delivery system for micronutrients to aid in uniformity, dilution, and dispersibility across the entire mix. However, little information is available regarding how different carriers might influence the dispersion of nutrients throughout a premix. Therefore, the main objective was to develop a method to systematically evaluate the mixing efficacy of different carriers in a premix formulation. A currently established analysis of mixer uniformity was adapted and repurposed for the evaluation of the premix carriers, rice …


Population Dynamics Of Soft-Furred Field Rat, Millardia Meltada, In Rice And Wheat Fields In Central Punjab, Pakistan, Shaher Bano Lathiya, Abdul Rauf Khokhar, Syed Muzaffar Ahmed Jan 2003

Population Dynamics Of Soft-Furred Field Rat, Millardia Meltada, In Rice And Wheat Fields In Central Punjab, Pakistan, Shaher Bano Lathiya, Abdul Rauf Khokhar, Syed Muzaffar Ahmed

Turkish Journal of Zoology

Data on the abundance, reproduction, diet and damage index of the soft-furred field rat Millardia meltada were collected during the rice and wheat seasons. The abundance of Millardia meltada remained high at the post-harvest stage of the rice and wheat crops. The ploughing of fields did not affect the abundance of Millardia. The mean annual prevalence of pregnancy was 50% and the mean embryonic litter size 6.2 ± 0.4. Millardia continued to eat wheat and rice grains over a long period even when there was no crop standing in the fields. The damage indices in rice and wheat crops were …