نتایج جستجو برای: crops residue burning

تعداد نتایج: 107229  

Journal: :بوم شناسی کشاورزی 0
فریده اکبری کامبیز پوری بهنام کامکار سیّد مجید عالیمقام

crop residues management is one of the most important factors to sustain agro-ecosystems. application of plant residues as organic fertilizers has functional role on the amount of soil elements, their availability for crops and finally yield obtained. in order to investigate the effect of different crop residues and their management on providing wheat potassium requirement, a four-replicated fi...

Journal: :Atmosphere 2021

The impact of crop residue burning in northeastern China on South Korean PM2.5 concentrations was assessed via weather conditions, air quality modeling (AQM), and composition data during two cases exceeding 35 µg·m−3 November 2015. concentration simulations Case 1 differed from observations by 3.7–17.6 µg·m−3, overestimating the levels 6–36%; however, 2 varied 20.0–59.8 observations, with a 53–...

Journal: :Environmental Pollution 2021

In this study, we integrated a remote-sensing fire product (MOD14A1) and land-use (MCD12Q1) to extract the number of crop-residue burning (CRB) spots radiative power (FRP) in China from 2001 2018. Moreover, conducted three trend analyses two geographic distribution quantify interannual variations summarize spatial characteristics CRB on grid (0.25° × 0.25°) regional scales. The results indicate...

Journal: :پژوهش های علوم و فناوری چوب و جنگل 0

in this study, the effect of nanoclay particles content on the physical properties and flammability of composite made of high density polyethylene and wood flour was investigated. for this aim, wood flour was combined with hdpe at 50% by weight, and nanoclay was used in 0, 2, 4 and 6%, also 2% of mape as the coupling agent was used in all formulations. the samples were made in injection molding...

2017
Tek B. Sapkota Vivek Shankar Munmun Rai Mangi L Jat Clare M. Stirling Love K. Singh Hanuman S. Jat Mohinder S. Grewal

This study examines the effects of tillage, residue management and cropping system intensification through the inclusion of green gram on the performance of the rice-wheat (RW) system in NW India. We hypothesized that zero tillage (ZT) with residue retention provides a means of sustainably intensifying the RW system through lower production costs and higher economic profitability, whilst at the...

Journal: :Chemosphere 2015
Chris van Dijk Wim van Doorn Bert van Alfen

Since the mid-nineties new waste incineration plants have come into operation in the Netherlands. Burning of waste can result in the emission of potentially toxic compounds. Although the incineration plants must comply with strict conditions concerning emission control, public concern on the possible impact on human health and the environment still exists. Multiple year (2004-2013) biomonitorin...

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