Changes in Paddy Soil Fertility in Tropical Asia under Green Revolution: From the 1960s to the 2010s
Changes in Paddy Soil Fertility in Tropical Asia under Green Revolution: From the 1960s to the 2010s
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The Green Revolution (GR) has had a significant impact on long-term changes in the fertility status of paddy soils in tropical Asia, with a drastic increase in available phosphorus and a decrease in the content of some micronutrients. More than 220 paddy soils from Thailand, the Philippines, Malaysia, Bangladesh, and Indonesia were analyzed for their physicochemical properties and total and available fractions of plant macro- and micro-essential elements. This information is useful for establishing soil/fertilizer management for sustainable rice production in the future.
Format: Paperback / softback
Length: 246 pages
Publication date: 23 June 2023
Publisher: Springer Verlag, Singapore
The Green Revolution (GR) has had a significant impact on long-term changes in the fertility status of paddy soils in tropical Asia. However, information on long-term changes in soil fertility status is limited due to difficulties in obtaining past data or samples for comparison. This investigation on temporal changes in soil fertility is possible by comparing fertility status in the 2010s, which the authors examined recently, with those from the 1960s, when the GR was initiated. More than 220 paddy soils collected from Thailand, the Philippines, Malaysia, Bangladesh, and Indonesia were analyzed for their physicochemical properties as well as total and available fractions of plant macro- and micro-essential elements, and their temporal changes were examined in addition to their spatial variation in each country. The most significant change was a drastic increase of available phosphorus in soils, possibly due to fertilization after the GR. Changes in organic matter, pH, and other nutrients were relatively small. A considerable decrease in the content of some micronutrients was also observed. Long-term studies on soil fertility status in the past and present will be useful to establish soil/fertilizer management for sustainable rice production in the future. This book is an essential reading for soil scientists, agricultural scientists, environmental scientists, as well as policymakers and nongovernmental officers such as FAO.
Dimension: 235 x 155 (mm)
ISBN-13: 9789811654275
Edition number: 1st ed. 2022
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