J.S. Kanwar's Books

Fertilizer sulfur and food production

Research and Policy Implications for Tropical Countries

By: J.S. Kanwar,Mohinder S. Mudahar

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Fertilizer sulfur and food production

Research and Policy Implications for Tropical Countries

By: J.S. Kanwar,Mohinder S. Mudahar

Fertilizer is a vital component of strategies for expanding foodproduction. The rapid growth in population and the widening food deficits inmany tropical countries of Asia, Africa, and Latin America call attention to those aspects of fertilization that have been neglected but are expected to yield large economic payoffs in the future. Fertilizer sulfur falls into this category. In the past fertilizer sulfur received little attention from researchers and policymakers since sulfur deficiency was not considered a serious problem. It was not a problem because of low crop yields, extensive cropping, and the incidental supply of sulfur through rain, irrigation water, manures, and sulfurcontaining fertilizers. However, the situation has changed in the last three decades. Moder nagriculture based on high crop yields, intensive cropping, improved crop varieties, and greater use of sulfur-free fertilizers and environmental regula tions restricting sulfur emissions are creating large gaps between sulfur sup ply and sulfur requirements. Sulfur deficiencies are widespread and grow ing. Consequently, the full potential of a modern agricultural system in tropical countries is not being realized. This research effort results from the recognition of the seriousness of the sulfur problem and its adverse impact on food production as well as IFDC's dedication to the development and transfer of economically ef ficient fertilizer technology to tropical countries. This study represents a comprehensive analysis of the technical and economic linkages between fer tilizer sulfur and food production, and it provides guidelines for future directions in fertilizer sulfur research and public policy.

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249

Publisher

Springer Science & Business Media

Published Date

ISBN 10

9400943520

ISBN 13

9789400943520

The Sikhs of the Punjab

By: J. S. Grewal

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The Sikhs of the Punjab

By: J. S. Grewal

In a revised edition of his original book, J. S. Grewal brings the history of the Sikhs from its beginnings in the time of Guru Nanak, the founder of Sikhism, right up to the present day. Against the background of the history of the Punjab, the volume surveys the changing pattern of human settlements in the region until the fifteenth century and the emergence of the Punjabi language as the basis of regional articulation. Subsequent chapters explore the life and beliefs of Guru Nanak, the development of his ideas by his successors and the growth of his following. The book offers a comprehensive statement on one of the largest and most important communities in India today.

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314

Publisher

Cambridge University Press

Published Date

ISBN 10

0521637643

ISBN 13

9780521637640

Guru Gobind Singh (1666–1708)

Master of the White Hawk

By: J. S. Grewal

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Guru Gobind Singh (1666–1708)

Master of the White Hawk

By: J. S. Grewal

The unifying theme in the life of Guru Gobind Singh was confrontation with the Mughals, which culminated in a struggle for political power. This fact is brought into sharp focus when we consider the Guru’s life and legacy simultaneously in the contexts of the Mughal Empire, its feudatory states in the hills, and the Sikh movement. The creation of the Khalsa in 1699 as a political community with the aspiration to rule made conciliation or compromise with the Mughal state almost impossible. Their long struggle ended eventually in the declaration of Khalsa Raj in 1765. Using contemporary and near contemporary sources in Gurmukhi, Persian, and English, J.S. Grewal presents a comprehensive study of this era of Sikh history. The volume elaborates on the life and legacy of Guru Gobind Singh and explores the ideological background of the institution of the Khalsa and its larger political context. Grewal, however, emphasizes that the legacy of the Khalsa was also social and cultural. This authoritative volume on the tenth Guru is a significant addition to the field of Sikh studies.

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254

Publisher

Oxford University Press

Published Date

ISBN 10

0190990384

ISBN 13

9780190990381

Invasive Alien Plants An Ecological Appraisal for the Indian Subcontinent

By: J.R. Bhatt, J.S. Singh, S.P. Singh, R.S. Tripathi and R.K. Kohli

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Invasive Alien Plants An Ecological Appraisal for the Indian Subcontinent

By: J.R. Bhatt, J.S. Singh, S.P. Singh, R.S. Tripathi and R.K. Kohli

Invasive alien species are a major threat to biodiversity and ecosystems throughout the world. In India, a country with three of the world's most important 'biodiversity hotspots', the invasion of alien plants means risking a national ecological disaster with major social and economic consequences. Currently there is insufficient information about invasive alien plants; their distribution, rate of spread and adaptability to new environments. This book reveals existing and potential invaders, evaluates the level of risk they pose to native species and suggests steps to manage spread and limit d.

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314

Publisher

CABI

Published Date

ISBN 10

1845939085

ISBN 13

9781845939083

Fertilizer sulfur and food production

Research and Policy Implications for Tropical Countries

By: J.S. Kanwar,Mohinder S. Mudahar

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Fertilizer sulfur and food production

Research and Policy Implications for Tropical Countries

By: J.S. Kanwar,Mohinder S. Mudahar

Average ratings

N/A

Write a review

Solve jigsaw puzzle

Age

Page Count

249

Publisher

Springer Science & Business Media

Published Date

ISBN 10

9400943520

ISBN 13

9789400943520

Book's by J.S. Kanwar

Fertilizer sulfur and food production

Fertilizer sulfur and food production

The Sikhs of the Punjab

The Sikhs of the Punjab

Guru Gobind Singh (1666–1708)

Guru Gobind Singh (1666–1708)

Invasive Alien Plants An Ecological Appraisal for the Indian Subcontinent

Invasive Alien Plants An Ecological Appraisal for the Indian Subcontinent

Fertilizer sulfur and food production

Fertilizer sulfur and food production

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