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Dinâmica microbiana em solos afectados por insecticidas e fungicidas

Dinâmica microbiana em solos afectados por insecticidas e fungicidas

Rekha Padmini A; Rangaswamy V

Edicoes Nosso Conhecimento
2025
pokkari
A agricultura, a espinha dorsal da economia indiana, sustenta 54,6% da sua popula o. O amendoim, uma semente oleaginosa vital, depende fortemente de pesticidas para combater as pragas. A n vel mundial, s o gastos milhares de milh es em pesticidas, mas apenas uma pequena fra o atinge as pragas visadas, contaminando o solo. Os pesticidas podem prejudicar a atividade enzim tica do solo, crucial para a sua sa de. No entanto, os micr bios podem degradar os pesticidas, aumentando potencialmente as suas popula es e atividade.Estudos recentes que utilizam t cnicas moleculares exploram estes efeitos. A investiga o sobre pesticidas comuns encontrou um aumento de bact rias ben ficas como Azospirillum e nitrificantes em campos de amendoim, mesmo ap s aplica es repetidas. As taxas de amonifica o e nitrifica o melhoraram com doses moderadas, mas n veis mais elevados reduziram a mineraliza o do azoto.A aplica o de pesticidas em n veis moderados tamb m aumentou as popula es de bact rias, fungos e actinomicetos, juntamente com as principais enzimas do solo. No entanto, doses excessivas (7,5-10 kg/ha) revelaram-se t xicas ou tiveram um impacto m nimo. A r pida degrada o microbiana dos pesticidas evidencia a sua influ ncia na din mica microbiana do solo.Compreender esta intera o entre os pesticidas, os micr bios do solo e os processos do ecossistema essencial para uma agricultura sustent vel.
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The Rajya Sabha

The Rajya Sabha

Rekha Saxena

TAYLOR FRANCIS LTD
2026
sidottu
This book examines the efficacy of the Rajya Sabha as a federal second chamber in India, evaluating the effectiveness it embodies and sustains legislative federalism over time. Aimed at practitioners, policymakers, and scholars, the book examines essential themes, including the constitutional development of bicameralism. It offers a nuanced assessment of the Rajya Sabha’s capacity to represent state interests, manage centre-state tensions, and reshape national policy agendas. It also discusses the chamber’s legislative and non-legislative prerogatives, its role as a watchdog over the executive arm, the role of parliamentary committees, and the socio-economic profile of its members, to showcase the changing role of the second house from one-party dominance to a multi-party coalition phase. It will help readers, who design, operate, or study institutions, to rethink what a federal second chamber can and should do in a parliamentary democracy like India. Rich in quantitative data, this book is indispensable for students and scholars of political science, Indian politics, Indian party systems, political institutions, political sociology and public administration.
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Contemporary India

Contemporary India

Rekha Datta

TAYLOR FRANCIS LTD
2026
sidottu
Fully updated and expanded throughout, this second edition of Contemporary India: The Basics provides readers with a clear and accessible guide through the richness, diversity, and complexity of modern-day India. This essential second edition highlights the changes that contemporary India has undergone over the last five years or so, including: An analysis of the 2024 general elections, the resulting coalition government, and the charismatic rise of Prime Minister Modi, whose leadership has reshaped the political party system and consolidated his influence. A discussion of India’s debates on secularism and the nation’s search for a modern identity amidst tensions between state power and democratic ideals. Insights into India’s growing global influence, its strained ties with Pakistan over the Kashmir region, and the impact of international conflicts on relations with Canada and the US. An examination of India’s rise as the world’s fourth-largest economy, the challenges of rural development, and the effects of globalisation. Reflections on the sustainability of India’s growth, the impact of the global pandemic, and the consequences of the climate crisis. Featuring maps, discussion questions, and suggestions for further reading, this is the ideal, fully updated, contemporary introduction to one of the most fascinating, culturally diverse, and complex countries in the world.
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Contemporary India

Contemporary India

Rekha Datta

TAYLOR FRANCIS LTD
2026
nidottu
Fully updated and expanded throughout, this second edition of Contemporary India: The Basics provides readers with a clear and accessible guide through the richness, diversity, and complexity of modern-day India. This essential second edition highlights the changes that contemporary India has undergone over the last five years or so, including: An analysis of the 2024 general elections, the resulting coalition government, and the charismatic rise of Prime Minister Modi, whose leadership has reshaped the political party system and consolidated his influence. A discussion of India’s debates on secularism and the nation’s search for a modern identity amidst tensions between state power and democratic ideals. Insights into India’s growing global influence, its strained ties with Pakistan over the Kashmir region, and the impact of international conflicts on relations with Canada and the US. An examination of India’s rise as the world’s fourth-largest economy, the challenges of rural development, and the effects of globalisation. Reflections on the sustainability of India’s growth, the impact of the global pandemic, and the consequences of the climate crisis. Featuring maps, discussion questions, and suggestions for further reading, this is the ideal, fully updated, contemporary introduction to one of the most fascinating, culturally diverse, and complex countries in the world.
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Divine Sounds from the Heart—Singing Unfettered in their Own Voices

Divine Sounds from the Heart—Singing Unfettered in their Own Voices

Rekha Pande

Cambridge Scholars Publishing
2020
nidottu
Recent years have seen a sea change in the way history is written and also in the way our conceptions of the past are being rewritten. In traditional historiography, women’s articulation is often marginalized and dominated by male voices. Through centuries of patriarchal control, women negotiated many layers and levels of existence working out different forms of resistance which have often gone unnoticed. Bhakti was one such medium. Religion provided the space in the medieval period and women saints embraced bhakti to define their own truths in voices that question society, family and relationships. For all these women bhaktas, the rejection of the male power that they were tied to in subordinate relationship became the terrain for struggle, self assertion and alternative seeking. Most of these women lived during the period from 12th to 17th Century. While the dominant mode of worship in bhakti was prostration to a deity like a feudal lord, the women bhaktas’ idea of God as a lover, a husband and a friend came as a breath of fresh air. The individual outpourings and the voices of these women, who had the courage to sing unfettered in their own voices, refused to melt in the din of the feudal scene which was largely patriarchal. This book will be useful to scholars interested in Feminist History, Comparative Religion and Asian Studies. The sensitive and rigorous research will be of great help to young scholars interested in embarking on a journey to discover religious history, especially with regards to women’s history in the South Asian context.
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