Results 91 to 100 of about 1,189 (191)

Use of NBPT-DCD formulated urea to reduce N2O emissions and N losses from fall banded fertilizer [PDF]

open access: yes, 2011
A two-year field study and two incubation studies were conducted to evaluate incorporating urea with a urease and nitrification inhibitor to reduce N2O and N losses from fall banded fertilizer.
Williamson, Eryn
core  

NBPT üreaz inhibitörünün arpada (Hordeum vulgare L.) verim ve kalite üzerine etkisi

open access: yes, 2023
Bu çalışmada, kuru tarım koşullarında yetiştirilen Scarpia çeşidi 6 sıralı yemlik arpa bitkisine uygulanan NBPT [N(n-butyl) thiophosphoric triamide] üreaz inhibitörlü üre gübresinin bitki verimi ve kalitesi üzerine etkileri incelenmiştir.
MEHMET NURİ ARAS
core  

Volatilização de amônia do solo após doses de ureia com inibidores de urease e nitrificação na cultura do abacaxi

open access: yesRevista Ceres
RESUMO Os inibidores de urease N-(n-butil) tiofosfóricotriamida (NBPT) e nitrificação dicianodiamida (DCD) minimizam as perdas de nitrogênio (N) pela volatilização da amônia (NH3), por redução da velocidade de hidrólise da ureia e conversão de amônio em ...
Deivisson Ferreira da Silva   +5 more
doaj   +1 more source

An "Exceptional" New NBPTS Certificate for Special Educators

open access: yes, 2000
This article describes the new National Board for Professional Teaching Standards (NBPTS) certificate for teachers of students with disabilities. The certification process, the required Exceptional Needs portfolio, the assessment center, and the application fee are discussed, along with answers to frequently asked questions about the NBPTS.
openaire   +1 more source

Ammonia volatilization from nitrogen fertilizers applied to sugarcane straw

open access: yesRevista Ciência Agronômica
Maintenance of crop residues over soil surface under conservational systems limits incorporation of nitrogen fertilizers into the soil. Application of urea over crop residues enhance N-NH3 volatilization losses, justifying the usage of urease inhibitors ...
Rafael Otto   +4 more
doaj   +1 more source

Evaluación de la eficiencia de fertilización nitrogenada con la aplicación de inhibidor de la ureasa (NBPT) sobre el rendimiento en grano de maíz [PDF]

open access: yes, 2018
La urea es la principal fuente de nitrógeno (N) aplicado en la mayoría de los cultivos, pero es susceptible a pérdidas por volatilización del amonio, frente a esto se ha diseñado un inhibidor de la ureasa, n-butyltiamidatiofosfórica (NBPT), que pueden ...
Portugal, Julián, Torres, Fernando
core  

Rice Grain Yield and Nitrogen Uptake and Ammonia Volatilization from Urea as Affected by Urea Amendment and Simulated Rainfall [PDF]

open access: yes, 2015
The effect of rainfall between urea application and flood establishment on N loss and grain yield of rice (Oryza sativa L.) has not been studied. The first research objective was to compare the effects of simulated rainfall amounts and N-(n-butyl ...
Dempsey, Randy
core  

Efficacy of a new N-(n-butyl) thiophosphoric triamide formulation in reducing ammonia volatilization from urea-based fertilizers

open access: yes, 2019
N-(n-Butyl)thiophosphoric triamide (NBPT) has been reported to reduce ammonia volatilization from surface-applied urea and urea ammonium nitrate (UAN). A new NBPT formulation (ARM U™, 18% NBPT) that contains a polymer allowing for lower application rate ...
Akinremi, Olalekan   +2 more
core   +1 more source

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