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Faced with the increasingly serious problem of water scarcity, developing precise irrigation strategies for crops in saline alkali land can effectively reduce the negative effects of low water resource utilization. Using a model to simulate the dynamic changes in soil water and salt environment in the root zone of fragrant pear trees in saline alkali land, and verifying them from a production practice perspective with comprehensive benefits as the goal, can optimize the irrigation amount and irrigation technology elements of saline alkali fruit trees, broaden the comprehensive evaluation perspective of decision-makers, and have important significance for improving the yield and production efficiency of forestry and fruit industry in arid and semi-arid areas worldwide. In this study, a two-year field experiment based on three irrigation levels (3000, 3750, and 4500 m·ha) and four emitter discharge rates (1, 2, 3, and 4 L·h) was conducted in Xinjiang, China.
View Article and Find Full Text PDFChanges in salinity and vegetation growth under different land use types during the reclamation in coastal saline soil.
Chemosphere
October 2024
The National Key Laboratory of Water Disaster Prevention and College of Hydrology and Water Resources, Hohai University, Nanjing, 210098, China. Electronic address:
Article Synopsis
- The study focuses on improving ecological conditions in coastal saline-alkali areas by using effective water-salt management and drip irrigation for vegetation rehabilitation, particularly in a severely saline region of North China's coast. !* -
- Two-year field experiments analyzed how different land use types (like grassland and shrub land) responded to two irrigation strategies, revealing that understory vegetation showed significant improvement in soil salinity and water retention compared to bare land. !* -
- The research found that while irrigation strategies influenced soil conditions in the early stages, the type of vegetation cover did not show significant differences in salt and water movement over a short period, suggesting a need for longer-term studies to better understand these effects. !*
Impact of Modifications from Potassium Hydroxide on Porous Semi-IPN Hydrogel Properties and Its Application in Cultivation.
Polymers (Basel)
April 2024
Faculty of Chemical and Food Technology, Ho Chi Minh City University of Technology and Education, No. 1, Vo Van Ngan Street, Linh Chieu Ward, Thu Duc, Ho Chi Minh City 71307, Vietnam.
This study synthesized and modified a semi-interpenetrating polymer network hydrogel from polyacrylamide, ,'-dimethylacrylamide, and maleic acid in a potassium hydroxide solution. The chemical composition, interior morphology, thermal properties, mechanical characteristics, and swelling behaviors of the initial hydrogel (SH) and modified hydrogel (SB) in water, salt solutions, and buffer solutions were investigated. Hydrogels were used as phosphate fertilizer (PF) carriers and applied in farming techniques by evaluating their impact on soil properties and the growth of mustard greens.
View Article and Find Full Text PDFSalinity Mitigates the Negative Effect of Elevated Temperatures on Photosynthesis in the C-C Intermediate Species .
Plants (Basel)
March 2024
K.A. Timiryazev Institute of Plant Physiology of Russian Academy of Science, 127276 Moscow, Russia.
The adaptation of plants to combined stresses requires unique responses capable of overcoming both the negative effects of each individual stress and their combination. Here, we studied the C-C (C) halophyte in response to elevated temperature (35 °C) and salinity (300 mM NaCl) as well as their combined effect. The responses we studied included changes in water-salt balance, light and dark photosynthetic reactions, the expression of photosynthetic genes, the activity of malate dehydrogenase complex enzymes, and the antioxidant system.
View Article and Find Full Text PDFAssessing Weak Anion Binding to Small Peptides.
J Phys Chem B
April 2024
Department of Chemistry, Tulane University School of Science and Engineering, New Orleans, Louisiana 70118, United States.
Since Hofmeister's seminal studies in the late 19th century, it has been known that salts and buffers can drastically affect the properties of peptides and proteins. These Hofmeister effects can be conceived of in terms of three distinct phenomena/mechanisms: water-salt interactions that indirectly induce the salting-out of a protein by water sequestration by the salt, and direct salt-protein interactions that can either salt-in or salt-out the protein. Unfortunately, direct salt-protein interactions responsible for Hofmeister effects are weak and difficult to quantify.
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