By Jagdish Chander Dagar, Paramjit Minhas
Land degradation brought on by salinity and waterlogging is an international challenge afflicting approximately one thousand million hectares and endangering the foodstuff safeguard of at the least seventy five international locations. because the social, fiscal and environmental bills of on and/off-farm reclamation recommendations are excessive, agroforestry is now rising as a possible instrument, not just for arresting salinity and waterlogging, but in addition for different environmental providers like mitigating weather switch, sequestering carbon and restoring biodiversity. This book addresses the important concerns, ideas and practices concerning rehabilitation utilizing agroforestry and comprises many site-specific case reviews from many of the world’s regular catchments. Written through best researchers, the e-book is a needs to, not just for scientists whose examine pursuits lie in soil salinity, waterlogging and poor-quality waters, but in addition coverage makers, environmentalists, scholars, and educationists alike. extra importantly, it contributes to reversing the salinity developments and making sure the livelihoods of resource-poor farming households residing in those harsh agro-ecosystems.
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Extra resources for Agroforestry for the Management of Waterlogged Saline Soils and Poor-Quality Waters
From a long-term experiment, Singh et al. 6 in Uttar Pradesh. When harvested after 14 years of plantation, maximum biomass production per tree was achieved in E. tereticornis, A. nilotica, P. juliflora and C. equisetifolia giving 231, 217, 208 and 197 kg bole weight per plant, respectively, whereas P. alba, P. dulce, T. arjuna, P. pinnata, A. indica and C. siamea provided relatively lower bole weight of 133, 100, 97, 84, 83 and 52 kg per plant, respectively (Sharma et al. 2010). These tree species improved soil in terms of reduction of pH and exchangeable sodium percentage (ESP) and increase in organic carbon significantly.
Singh et al. 2) in irrigated condition of Haryana by planting three commercial trees, namely, poplar (Populus deltoides), eucalyptus (Eucalyptus tereticornis) and Kikar (Acacia nilotica) in association with rice-wheat, rice-Egyptian clover, pigeon pea/sorghum-mustard rotations and sole trees and sole crops as control. Results showed that intercrops of Egyptian clover, rice, wheat and mustard can successfully be grown for along with these trees during initial 3 years (Table 4). Later on these, crops may be replaced with shade-loving crops such as turmeric.
2004, 2006) clearly indicated that aromatic grasses such as palmarosa (Cymbopogon martini) and lemon grass (C. 2, while vetiver (Vetiveria zizanioides) which withstands both high pH and stagnation of water could successfully be grown without significant yield reduction on highly alkali soils. Anwar et al. 0 and 55 for Jamrosa (Cymbopogon khasans). 5 to be the safe limit for German chamomile (Matricaria chamomilla) and periwinkle (Catharanthus roseus), while the safe limit for rye (Secale cereale) and for ergot (Claviceps purpurea) is reported to be pH 10.