scholarly journals Effects of Alternating Irrigation with Fresh and Saline Water on the Soil Salt, Soil Nutrients, and Yield of Tomatoes

Water ◽  
2019 ◽  
Vol 11 (8) ◽  
pp. 1693
Author(s):  
Jingang Li ◽  
Jing Chen ◽  
Zhongyi Qu ◽  
Shaoli Wang ◽  
Pingru He ◽  
...  
Keyword(s):  
Fresh Water ◽  
Soil Nutrients ◽  
Drip Irrigation ◽  
Growth Stage ◽  
Fruit Set ◽  
Saline Water ◽  
Total Dissolved Solids ◽  
Dissolved Solids ◽  
Saline Water Irrigation ◽  
Soil Salt

Saline water irrigation has become extremely important in arid and semi-arid areas in northwestern China. To study the effect of alternating irrigation models on the soil nutrients, soil salts, and yield of tomatoes with fresh water (total dissolved solids of 0.50 g·L−1) and saline water (total dissolved solids of 3.01 g·L−1), a two-year field experiment was carried out for tomatoes in the Hetao Irrigation District (HID), containing six drip irrigation models: T1 (all freshwater irrigation), T2 (saline water used in the seedling and flowering stages; fresh water in the fruit-set and breaker stages), T3 (saline water in the flowering and fruit-set stages; fresh water in the seedling and breaker stages), T4 (saline water in the fruit-set and breaker stages; fresh water in the seedling and flowering stages), T5 (saline water in the flowering and breaker stages; fresh water in the seedling and fruit-set stages), T6 (saline water in the seedling and fruit-set stages; fresh water in the flowering and breaker stages). The study found that saline water irrigation tends to have a positive effect on soil total nitrogen and a negative influence on soil total phosphorus at each growth stage of the tomato. Soil Na+, Mg2+, Ca2+, K+, and Cl− increased over the growth period, soil HCO3− decreased gradually by growth stage, and the salt ions increased with the amount of saline water applied in alternating irrigation. Though the soil salt accumulated in all experimentally designed alternating irrigation models, soil alkalization did not occur in the tomato root zone under the soil matric potential threshold of −25 kPa. The utilization of saline water resulted in about a 1.9–18.2% decline in fruit yield, but the total soluble solids, lycopene, and sugar in the tomato fruits increased. Ultimately, drip irrigation with fresh water at the seedling to flowering stages and saline water at the fruit-set to breaker stages was suggested for tomato cultivation in HID.

Effect of saline water irrigation on sand soil salt and the physiology and growth ofPopulus euphraticaOliv.

2012 ◽  
Vol 32 (11) ◽  
pp. 3449-3459 ◽  
Author(s):  
何新林 HE Xinlin ◽  
陈书飞 CHEN Shufei ◽  
王振华 WANG Zhenhua ◽  
贾文俊 JIA Wenjun ◽  
何建斌 HE Jianbin ◽  
...  
Keyword(s):  
Saline Water ◽  
Sand Soil ◽  
Saline Water Irrigation ◽  
Soil Salt

Effect of frozen saline water irrigation in winter on soil salt and water dynamics, germination and yield of cotton in coastal soils

2013 ◽  
Vol 20 (10) ◽  
pp. 1310-1314 ◽  
Author(s):  
Xiu-Mei ZHANG ◽  
Kai GUO ◽  
Zhi-Xia XIE ◽  
Xiao-Hui FENG ◽  
Xiao-Jing LIU
Keyword(s):  
Saline Water ◽  
Water Dynamics ◽  
Saline Water Irrigation ◽  
Soil Salt ◽  
Coastal Soils

scholarly journals Effect of Different Thresholds of Drip Irrigation Using Saline Water on Soil Salt Transportation and Maize Yield

Water ◽  
2018 ◽  
Vol 10 (12) ◽  
pp. 1855 ◽  
Author(s):  
Jingang Li ◽  
Zhongyi Qu ◽  
Jin Chen ◽  
Fan Wang ◽  
Qiu Jin
Keyword(s):  
Drip Irrigation ◽  
Field Experiments ◽  
Saline Water ◽  
Irrigation Schedule ◽  
Maize Yield ◽  
Irrigation District ◽  
Yield Reduction ◽  
Salt Accumulation ◽  
Soil Salt ◽  
Irrigation Water Use

Sustainable development of saline water irrigation was restricted in HID (Hetao Irrigation District) by serious yield reduction and severe salt accumulation without an effective irrigation schedule. Field experiments were carried out to study the effects of drip irrigation thresholds on soil salt transportation and maize yield with shallow saline ground water in 2015 and 2016 in HID. The irrigation was triggered by four soil matric potential (SMP) treatments which measured 20 cm beneath the drip emitter. Results indicate that the shape of the wetting body approximated a one-fourth ellipse on the vertical profile perpendicular to the drip line, while the horizontal radius increased with the increase of SMP. Moreover, salt accumulation decreased with the increasing thresholds in the 0–40-cm layer, while the soil salt in the 40–100 cm layer was hardly affected by SMP thresholds under a drip irrigation quota of 22.5 mm. Maize yield showed a quadratic relationship with the SMP threshold, and the irrigation water use efficiency (IWUE) showed a linear increase in response to the decrease in SMP threshold. Taking into account the salt accumulation, yield and IWUE, a SMP threshold higher than −30 kPa is suggested as the appropriate indicator for maize mulched-drip irrigation with shallow saline groundwater in HID.

scholarly journals Overcoming the failure of fruit-set and fruit drop of siam orange on off-season period through application of mycorrhizal inoculants and ZNSO4 micro fertilizer dosage

2019 ◽  
Vol 3 (3) ◽  
pp. 16-24
Author(s):  
Ni Komang Alit Astiari ◽  
Ni Putu Anom Sulistiawati ◽  
Ida Bagus Komang Mahardika ◽  
I Nyoman Rai
Keyword(s):  
Fruit Set ◽  
Block Design ◽  
Total Dissolved Solids ◽  
Dissolved Solids ◽  
Fruit Drop ◽  
Randomized Block Design

This research was carried out at Kintamani District, Bangli Regency, Bali-Indonesia, from February to October 2019 with aimed to overcome the failure of fruit-set and fruit drop of Siam orange on off-season period through application of mycorrhizal inoculants and ZnSO4 micro fertilizer dosage. This experiment was arranged as a randomized block design consisted of 2 factors.  The first factor was mycorrhizal inoculant (0, 50, 100 and 150 g/tree), while the second factor was the dosage of ZnSO4 micro fertilizer (0, 5, 10 g/tree). All treatments were repeated 3 times. The results showed that the interaction between mycorrhizal inoculant treatment and ZnSO4 micro fertilizer dosage did not significantly affect all of the variables observed.  Mycorrhizal inoculant dose 150 g/tree could overcome the failure of fruit-set and fruit drop and improved the quantity and quality of fruit of Siam oranges on off-season, which was reflected by increased number of fruits harvest per tree (249,00 fruits), weight per fruit (106,10 g), weight of fruit harvested per tree (26,34 kg) and total dissolved solids (13.52% Brix), or increase 31,44%; 18,15%; 54,58%; and 35,74%, respectively, compared to without mycorrhizal inoculant i.e 189,44 fruit; 17,04 kg; 89,80 g and 9,96% Brix.

scholarly journals Sustaining Yield of Winter Wheat under Alternate Irrigation Using Saline Water at Different Growth Stages: A Case Study in the North China Plain

2019 ◽  
Vol 11 (17) ◽  
pp. 4564 ◽  
Author(s):  
Rajesh Kumar Soothar ◽  
Wenying Zhang ◽  
Binhui Liu ◽  
Moussa Tankari ◽  
Chao Wang ◽  
...  
Keyword(s):  
Winter Wheat ◽  
Grain Yield ◽  
Fresh Water ◽  
Root Zone ◽  
Saline Water ◽  
Monsoon Season ◽  
Growth Stages ◽  
Saline Irrigation ◽  
Saline Water Irrigation ◽  
Different Growth Stages

Brackish water used for irrigation can restrict crop growth and lead to environmental problems. The alternate irrigation with saline water at different growth stages is still not well understood. Therefore, field trials were conducted during 2015–2018 in the NCP to investigate whether alternate irrigation is practicable for winter wheat production. The treatments comprised rain-fed cultivation (NI), fresh and saline water irrigation (FS), saline and fresh water irrigation (SF), saline water irrigation (SS) and fresh water irrigation (FF). The results showed that the grain yield was increased by 20% under SF and FS treatments compared to NI, while a minor decrease of 2% in grain yield was observed compared with FF treatment. The increased soil salinity and risk of long-term salt accumulation in the soil due to alternate irrigation during peak dry periods was insignificant due to leaching of salts from crop root zone during monsoon season. Although Na+ concentration in the leaves increased with saline irrigation, resulting in significantly lower K+:Na+ ratio in the leaves, the Na+ and K+ concentrations in the roots and grains were not affected. In conclusion, the alternate irrigation for winter wheat is a most promising option to harvest more yield and save fresh water resources.

scholarly journals Modeling salinity risk response to irrigation practices for cotton production under film mulched drip irrigation in Xinjiang

2021 ◽  
Author(s):  
Songrui Ning ◽  
An Yan ◽  
Beibei Zhou ◽  
Quanjiu Wang
Keyword(s):  
Precision Agriculture ◽  
Drip Irrigation ◽  
Saline Water ◽  
Soil Salinization ◽  
Soil Water Storage ◽  
Cotton Production ◽  
Irrigation Amount ◽  
Saline Water Irrigation ◽  
Risk Warning ◽  
Mulched Drip Irrigation

Abstract Predicting the impacts of the irrigation amount (IA), water salinity (WS), and antecedent soil salinity (AS) on soil salinization, the crop yield, and water productivities (WPs) are important for precision agriculture. We used a calibrated HYDRUS − 2D model coupled with a validated crop water production function to quantitatively determine the response of a soil − cotton system to three factors (IA, WS, and AS) in 30 scenarios under film mulched drip irrigation. These scenarios included five IAs, two ASs, and three WSs. Under the same IA and WS, the transpiration, evapotranspiration, yield, and WPs were lower, whereas the evaporation, drainage, soil water storage, and leached salt were higher under higher AS (over the salt tolerance threshold of cotton) scenarios. Under lower AS scenarios, desalination processes (20.2 to 166.8 g m−2) occurred in freshwater (0.38 dS m−1) irrigation scenarios and salt accumulated (425.8 to 1,442.4 g m−2) in saline water (3.10 and 7.42 dS m−1) irrigation scenarios. Desalination processes (2,273.4 to 4,692 g m−2) occurred in the higher AS scenarios. Salinity risk warning should be the focus for cotton fields with lower AS and saline water irrigation. Our results may help to identify the salinity risk to support sustainable cotton production in Xinjiang.

scholarly journals Effects of Alternating Fresh and Saline Water Irrigation on Soil Salinity and Chlorophyll Fluorescence of Summer Maize

Water ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 3054
Author(s):  
Honghui Sang ◽  
Weihua Guo ◽  
Yun Gao ◽  
Xiyun Jiao ◽  
Xiaobao Pan
Keyword(s):  
Chlorophyll Fluorescence ◽  
Quantum Yield ◽  
Fresh Water ◽  
Soil Salinity ◽  
Saline Water ◽  
Photochemical Quenching ◽  
Effective Quantum Yield ◽  
Summer Maize ◽  
Saline Water Irrigation ◽  
Heading Stage

Saline groundwater irrigation is an important way to alleviate the shortage of fresh water resources. In order to find a reasonable saline irrigation method for farmland, an irrigation experiment was conducted with fresh water and saline water at the seedling, jointing, heading, and filling stages. The soil salinity, growth, chlorophyll fluorescence, and yield of summer maize were measured. The results showed that alternating fresh and saline water irrigation led to a smaller increase in soil salinity relative to that irrigation with saline water alone. In addition, different sequences of alternating irrigation also significantly affected the accumulation of soil salinity. The maximum quantum yield, effective quantum yield of photochemical energy conversion, photochemical quenching, and non-photochemical quenching varied greatly at the jointing stage and heading stage. Furthermore, the yield of maize that was irrigated with fresh water at the heading stage (8.53 t ha−1) was greater than that at the jointing (7.69 t ha−1) and filling stages (7.45 t ha−1). Therefore, these findings indicate that in areas where fresh water is scarce, priority should be given to the application of fresh water at the heading stages for summer maize irrigation.

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