Evaluation of Soil Salinity and its Impacts on Agriculture: Nexus of RBOD-III, Pakistan

2017 ◽  
Vol 49 (003) ◽  
pp. 525--528 ◽  
Author(s):  
N. H. CHANDIO ◽  
Q. H. MALLAH ◽  
M. M. ANWAR
Keyword(s):  
Soil Salinity

Reuse of Drainage Water for Irrigation: Results of Imperial Valley Study: II. Soil Salinity and Water Balance

Hilgardia ◽  
1988 ◽  
Vol 56 (5) ◽  
pp. 17-44 ◽  
Author(s):  
James D. Rhoades ◽  
Frank T. Bingham ◽  
John Letey ◽  
Paul J. Pinter ◽  
Robert D. Lemert ◽  
...  
Keyword(s):  
Water Balance ◽  
Soil Salinity ◽  
Drainage Water ◽  
Imperial Valley

Soil Salinity and Land Capability Classification

Soil Horizons ◽  
1963 ◽  
Vol 4 (2) ◽  
pp. 7
Author(s):  
Robert E. Fox
Keyword(s):  
Soil Salinity ◽  
Land Capability

scholarly journals Calcium-Enriched Animal Manure Alleviates the Adverse Effects of Salt Stress on Growth, Physiology and Nutrients Homeostasis of Zea mays L.

Plants ◽  
2019 ◽  
Vol 8 (11) ◽  
pp. 480 ◽  
Author(s):  
Bushra Niamat ◽  
Muhammad Naveed ◽  
Zulfiqar Ahmad ◽  
Muhammad Yaseen ◽  
Allah Ditta ◽  
...  
Keyword(s):  
Nutrient Uptake ◽  
Soil Salinity ◽  
Crop Production ◽  
Growth Yield ◽  
Growth And Yield ◽  
Control Treatment ◽  
Soil Conditions ◽  
Alkaline Soil ◽  
Sodic Soil ◽  
Growth Physiology

Soil salinity and sodicity are among the main problems for optimum crop production in areas where rainfall is not enough for leaching of salts out of the rooting zone. Application of organic and Ca-based amendments have the potential to increase crop yield and productivity under saline–alkaline soil environments. Based on this hypothesis, the present study was conducted to evaluate the potential of compost, Ca-based fertilizer industry waste (Ca-FW), and Ca-fortified compost (Ca-FC) to increase growth and yield of maize under saline–sodic soil conditions. Saline–sodic soil conditions with electrical conductivity (EC) levels (1.6, 5, and 10 dS m−1) and sodium adsorption ratio (SAR) = 15, were developed by spiking soil with a solution containing NaCl, Na2SO4, MgSO4, and CaCl2. Results showed that soil salinity and sodicity significantly reduced plant growth, yield, physiological, and nutrient uptake parameters. However, the application of Ca-FC caused a remarkable increase in the studied parameters of maize at EC levels of 1.6, 5, and 10 dS m−1 as compared to the control. In addition, Ca-FC caused the maximum decrease in Na+/K+ ratio in shoot up to 85.1%, 71.79%, and 70.37% at EC levels of 1.6, 5, and 10 dS m−1, respectively as compared to the control treatment. Moreover, nutrient uptake (NPK) was also significantly increased with the application of Ca-FC under normal as well as saline–sodic soil conditions. It is thus inferred that the application of Ca-FC could be an effective amendment to enhance growth, yield, physiology, and nutrient uptake in maize under saline–sodic soil conditions constituting the novelty of this work.

scholarly journals Assessment of soil salinity indexes using electrical conductivity sensors

2021 ◽  
Vol 285 ◽  
pp. 110171
Author(s):  
Sebastián Bañón ◽  
Sara Álvarez ◽  
Daniel Bañón ◽  
María Fernanda Ortuño ◽  
María Jesús Sánchez-Blanco
Keyword(s):  
Electrical Conductivity ◽  
Soil Salinity

scholarly journals Crop and Residue Management Improves Productivity and Profitability of Rice–Maize System in Salt-Affected Rainfed Lowlands of East India

Agronomy ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 2019
Author(s):  
Sukanta K. Sarangi ◽  
Sudhanshu Singh ◽  
Ashish K. Srivastava ◽  
Madhu Choudhary ◽  
Uttam K. Mandal ◽  
...  
Keyword(s):  
Soil Salinity ◽  
Crop Residues ◽  
Dry Season ◽  
Residue Management ◽  
Rice Grain ◽  
Rice Varieties ◽  
Available N ◽  
Cropping Intensity ◽  
Hybrid Maize ◽  
N Requirement

This study was conducted over 3 years in a salt-affected coastal rainfed lowland ecosystem. Farmers most commonly grow tall rice varieties in the wet season to cope with flash and/or stagnant floods, leading to large amounts of rice residue production. Most of the land remains fallow during the dry season because of increased salinity and scarcity of freshwater for irrigation. The study aims to provide options for increasing cropping intensity through management of crop residues (CR) and soil salinity, conservation of soil moisture, and reduction in production cost. The rice–maize rotation was assessed with rice as the main plot as (1) puddled transplanted rice (PTR) with CR of both rice and maize removed, (2) PTR and 40% CR of both crops retained, (3) dry direct-seeded rice (DSR) with CR of both crops removed, and (4) DSR with 40% CR of both crops retained. Maize in the dry season was supplied with different N levels as sub-plots—control (0 kg N ha−1), 80, 120, and 160 kg N ha−1. DSR, when combined with CR retention (DSR + R), reduced soil salinity. The increase in rice grain yield with CR retention (observed in second and third years) and crop establishment (higher in DSR versus PTR in the third year) was 16 and 24%, respectively. The cost of production increased by 17% (USD 605 ha−1) in PTR compared with DSR (USD 518 ha−1). CR retention reduced irrigation water requirement by 37% and N requirement by 40 kg ha−1 for hybrid maize. When CR was removed (−R), the N requirement for hybrid maize increased to 160 kg N ha−1 compared to when it was partially (40%) retained, where the requirement was 120 kg ha−1 with similar yields. Available N was highest under DSR + R (314 kg ha−1) and lowest under PTR − R (169 kg ha−1), and it also increased with increasing N application up to 120 kg ha−1 (+R) and 160 kg ha−1 (−R). The results of the study hold promise for increasing cropping intensity and farmers’ incomes, with broader implications for increasing productivity on about 2.95 million hectares currently under a rice–fallow system in eastern India, and in coastal areas affected by similar conditions in South and Southeast Asia.

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