scholarly journals Combining Mineral Amendments Improves Wheat Yield and Soil Properties in a Coastal Saline Area

Agronomy ◽  
2019 ◽  
Vol 9 (2) ◽  
pp. 48 ◽  
Author(s):  
Jishi Zhang ◽  
Xilong Jiang ◽  
Qi Miao ◽  
Botao Yu ◽  
Liming Xu ◽  
...  
Keyword(s):  
Soil Properties ◽  
Rock Phosphate ◽  
Yellow River ◽  
Soil Depth ◽  
Wheat Yield ◽  
Yellow River Delta ◽  
Available Phosphorus ◽  
Dry Matter Accumulation ◽  
Soil Available Phosphorus ◽  
Saline Area

Certain minerals possess structures that convey properties which improve soil quality; however, their application in coastal saline areas has been poorly studied. In this study, we explored the effects of combining mineral amendments on the improvement of wheat yield and soil properties in a two-year field experiment in mildly saline coastal soil areas of the Yellow River Delta, China. Five mineral materials were combined into the following four treatments: zeolite + rock phosphate (ZP), zeolite + silica calcium soil conditioner (ZC), vermiculite + rock phosphate (VP), and vermiculite + medical stone (VS). For all treatments, combined mineral amendments increased wheat yield compared to the control, with similar increases in yield following treatment with VP (45.7%), ZP (43.5%), and ZC (43.6%), and a significantly smaller increase following VS treatment (26.3%). These increases in grain yield were attributed to larger dry matter accumulation and higher grain numbers per ha. Compared to the control, ZP and ZC application substantially reduced soluble magnesium (Mg) and sodium (Na) contents, electrical conductivity (EC), and sodium adsorption ratio (SAR), and increased soil organic carbon (SOC) at a soil depth of 0–20 cm. VP application increased soil available phosphorus (P) by 34.7% and soluble potassium (K) by 69.3% at a soil depth of 0–20 cm. VS application slightly increased the SOC, total nitrogen (N), available P, and soluble K compared to the control. Overall, these results indicate that combining mineral amendments significantly increases wheat yield and improves soil properties in a saline area. Thus, we recommend the use of mineral amendments in saline coastal areas.

scholarly journals Soil Nutrients Effects on the Performance of Durum Wheat Inoculated with Entomopathogenic Fungi

Agronomy ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 589
Author(s):  
Adrián González-Guzmán ◽  
Daniel Sacristán ◽  
Antonio Rafael Sánchez-Rodríguez ◽  
Vidal Barrón ◽  
José Torrent ◽  
...  
Keyword(s):  
Grain Yield ◽  
Soil Properties ◽  
Entomopathogenic Fungi ◽  
Dry Matter ◽  
Agricultural Soils ◽  
Nutrient Concentrations ◽  
Available Phosphorus ◽  
Soil Available Phosphorus ◽  
Mutualistic Relationship ◽  
Fungal Inoculation

Entomopathogenic fungi (EFs) are widely used as biological control agents. However, some strains of Beauveria bassiana and Metarhizium brunneum can also promote plant growth and increase nutrient uptake. We examined the effects of soil properties on the performance of Triticum durum inoculated by seed dressing with these EFs and grown on 12 agricultural soils. The plants were supplied with all nutrients except P and Zn (essential for yield and the grain quality of wheat). Fungal inoculation increased the grain yield and harvest index significantly with B. bassiana (17% and 14%, respectively) but not with M. brunneum (6% and 6%, respectively). The increase in grain yield was positively and moderately correlated with the soil available phosphorus (POlsen) in plants inoculated with B. bassiana and with the soil content in poorly crystalline Fe oxides with M. brunneum. In addition, the increase in aerial dry matter resulting from inoculation with B. bassiana was negatively correlated with soil available Zn. Furthermore, the observed increase in grain yields due to fungal inoculation resulted in P and Zn grain dilution (grain nutrient concentrations decrease). Inoculation with B. bassiana increased grain Zn uptake and the proportion of Zn in grain relative to that in aerial dry matter. Success in the mutualistic relationship between EF and wheat plants depends on the fungal strain and soil properties.

scholarly journals Effect of Phosphorus Solubilizing Bacteria on Soil Available Phosphorus and Growth and Yield of Sugarcane

2021 ◽  
Vol 18 (12) ◽  
Author(s):  
Pyone Pyone AYE ◽  
Pechrada PINJAI ◽  
Saowanuch TAWORNPRUEK
Keyword(s):  
Rock Phosphate ◽  
Phosphorus Content ◽  
Ammonium Phosphate ◽  
Phosphorus Fractions ◽  
Growth And Yield ◽  
Cane Yield ◽  
Available Phosphorus ◽  
Phosphorus Fertilizer ◽  
Soil Available Phosphorus ◽  
Phosphorus Fertilizers

Phosphorus solubilizing bacteria (PSB) can increase soil phosphorus (P) availability and improve plant growth, yield, and phosphorus content of several crops. The experiment was conducted to evaluate the effect of PSB on soil available phosphorus, growth, and yield of sugarcane at field conditions. Kosakonia radicincitans (PSB1) and Bacillus subtilis (PSB2) were applied with two different sources of phosphorus fertilizers: Di-ammonium phosphate (DAP) and rock phosphate (RP). The application of PSB with phosphorus fertilizers enhanced the yield from 17.03 to 38.42 % over no application of fertilizer. It also increased the percentage of commercial cane sugar percent (CCS %) from 4.8 to 19.96 % over control. The application of PSB2 with DAP showed effective results in available phosphorus content in the soil and yield of sugarcane. The PSB population and the available phosphorus contents were higher in treatments when phosphorus was given partly through RP and DAP than the control. The application of phosphorus fertilizer and PSB increased phosphorus fractions in the soil. The addition of phosphorus fertilizer to soil increased all the inorganic phosphorus fractions in soil. The treatments with PSB resulted in statistical differences in total phosphorus concentrations in the soil. The application of PSB with RP (T6, T7, and T8) showed the highest weight among the treatment at the harvesting time. The yield of sugarcane was highest in the application of PSB2 with either DAP or RP (T4 and T7). HIGHLIGHTS Evaluate the effect of Phosphate Solubilizing Bacteria (PSB) (Kosakonia radicincitans and Bacillus subtills) comminated with two different phosphorus (di-ammonium phosphate (DAP) and rock phosphate (RP) fertilizers on the changes in the soil available phosphorus level and sugarcane growth at Sa Kaeo Province, Thailand The application of P fertilizer and PSB can increase the inorganic P fractions in the soil and increased the cane yield over NPK without PSB The PSB application either single or co-inoculation of PSBs increased the average cane more than 13 % to over control

scholarly journals Soil Available Phosphorus Loss Caused by Periodical Understory Management Reduce Understory Plant Diversity in a Northern Subtropical Pinus massoniana Plantation Chronosequence

Forests ◽  
2020 ◽  
Vol 11 (2) ◽  
pp. 231
Author(s):  
Dong Dai ◽  
Ashfaq Ali ◽  
Xin Huang ◽  
Mingjun Teng ◽  
Changguang Wu ◽  
...  
Keyword(s):  
Soil Properties ◽  
Plant Diversity ◽  
Soil Layer ◽  
Pinus Massoniana ◽  
Stand Age ◽  
Available Phosphorus ◽  
Soil Available Phosphorus ◽  
Understory Plants ◽  
Understory Diversity ◽  
Understory Plant

Clearing of understory plants is a common management method in plantation forests, but its long-term impact on soil properties and understory plant diversity is still poorly understood. In order to uncover the potential relationship between understory diversity and soil properties, we categorized understory plants into herbs and shrubs, and took soil depth into consideration. We measured the soil variables and investigated the understory plant diversity in four stand age-classes (9-year-old for young, 18-year-old for intermediate, 28-year-old for near-mature, and 48-year-old for mature) in a Pinus massoniana plantation. We aimed to examine how the diversity of herbs and shrubs changed with stand succession and to determine which of the three soil depths (0–10 cm, 10–20 cm, 20–40 cm) had the strongest explanation for the understory plant diversity. Furthermore, structural equation modeling (SEM) was performed to assess the direct and indirect effect of understory clearing and stand age on understory diversity. We found that understory clearing influenced the trend of diversity of herbs and shrubs with stand age, and understory diversity showed a strong correlation with soil physical properties in all three soil layers. The soil properties in the 10–20 cm soil layer related with the diversity of herbs and shrubs most, while the 20–40 cm soil layer properties related with them the least. Understory clearing reduced soil available phosphorus (AP). Understory clearing and stand age were found to benefit understory plant diversity directly and decreased the understory diversity indirectly via AP. Consequently, to improve our understanding of the impact of understory clearing and stand age on biodiversity, we should take into account its direct and indirect effects.

Effect on soil properties of conversion of Yellow River Delta ecosystems

Wetlands ◽  
2009 ◽  
Vol 29 (3) ◽  
pp. 1014-1022 ◽  
Author(s):  
Min Yang ◽  
Shiliang Liu ◽  
Zhifeng Yang ◽  
Tao Sun ◽  
Stephen Daniel DeGloria ◽  
...  
Keyword(s):  
Soil Properties ◽  
Yellow River ◽  
Yellow River Delta ◽  
River Delta

scholarly journals Soil Available Phosphorus Investigated for Spatial Distribution and Effect Indicators Resulting from Ecological Construction on the Loess Plateau, China

2021 ◽  
Vol 13 (22) ◽  
pp. 12572
Author(s):  
Shengdong Cheng ◽  
Ganggang Ke ◽  
Zhanbin Li ◽  
Yuting Cheng ◽  
Heng Wu
Keyword(s):  
Spatial Distribution ◽  
Loess Plateau ◽  
Soil Depth ◽  
Available Phosphorus ◽  
Land Uses ◽  
The Loess Plateau ◽  
Small Catchment ◽  
Soil Available Phosphorus ◽  
Significant Difference ◽  
Soil And Water

Soil phosphorus is a major determinant and indicator of soil fertility and quality, and is also a source of nonpoint-source pollution. In order to control soil and water loss in the Loess Plateau, a series of soil and water conservation measures have been taken, resulting in changes in land use and differences in spatial distribution. It is necessary to study soil available phosphorus (SAP) to evaluate land productivity and environmental quality. In this study, the spatial distribution of SAP in different land uses was investigated in a small catchment area of Loess Plateau, and the field-influencing factors were determined on five layers with soil depth of 20 cm. The results show the minimum and maximum SAP content occurred at 20–40 cm and 80–100 cm soil depth and reach a value of 27.26 mg/kg and 29.37 mg/kg at catchment scale, respectively. There is significant difference among the SAP of the five soil layers (p < 0.01). The SAP of different land uses is, in order: forestland < slope farmland < dam farmland < terrace < grassland. Different land uses’ topographies make a difference to the spatial distribution of SAP. Slope and soil texture are the domain factors influencing the SAP concentration at the catchment.

Factors driving the relationships between vegetation and soil properties in the Yellow River Delta, China

CATENA ◽  
2018 ◽  
Vol 165 ◽  
pp. 279-285 ◽  
Author(s):  
Shiliang Liu ◽  
Xiaoyun Hou ◽  
Min Yang ◽  
Fangyan Cheng ◽  
Ana Coxixo ◽  
...  
Keyword(s):  
Soil Properties ◽  
Yellow River ◽  
Yellow River Delta ◽  
River Delta ◽  
The Yellow River ◽  
The Yellow River Delta

scholarly journals Preliminary Effects of Crop Residue Management on Soil Quality and Crop Production under Different Soil Management Regimes in Corn-Wheat Rotation Systems

Agronomy ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 302
Author(s):  
Morad Mirzaei ◽  
Manouchehr Gorji Anari ◽  
Ehsan Razavy-Toosi ◽  
Hossein Asadi ◽  
Ebrahim Moghiseh ◽  
...  
Keyword(s):  
Soil Properties ◽  
Soil Quality ◽  
Crop Residue ◽  
Field Experiments ◽  
Crop Residues ◽  
Soil Depth ◽  
Wheat Yield ◽  
Water Infiltration ◽  
Residue Management ◽  
Ct System

Strategic management of crop residues is essential to enhance soil quality for sustainable agriculture. However, little is known about the specific amounts of crop residues needed to improve soil quality characteristics which are key to develop economic plans. In this study, we investigated the effects of applying crop residue at five rates, including 100% (R100), 75% (R75), 50% (R50), 25% (R25), and 0% (R0), on wheat yield and soil properties. Field experiments were conducted for two cropping seasons in a wheat-corn rotation under conventional (CT) and no-till (NT) systems to observe the first results obtained during short-term periods (one-year application). During the study, the wheat and corn fields were irrigated. Application of plant residue resulted in increased soil organic carbon (SOC) and available nutrients and improved soil physical properties, i.e., aggregates mean weight diameter in wet (MWDw) and dry (MWDd) conditions, water-stable aggregates (WSA), dry-stable aggregates, (DSA), soil water infiltration (SWI), soil available water (SAW), and yield of wheat and corn. The effects were stronger at higher residue application rates. In the CT system, compared to R0, R100 resulted in the highest increase equal to 38, 29, 23, 34, 35, 41, and 11% for SOC, MWDw, MWDd, WSA, DSA, SAW, and wheat grain yield, respectively. This was equivalent to 28, 19.5, 19, 37, 44, 52, and 6% for the NT system, respectively. Generally, the NT system resulted in a stratification of the soil properties within 0–10 cm compared to 10–20 cm soil depth, but a uniform distribution for both depths under CT system. Overall, these results show that crop residue application can improve soil quality and yield in cereal production systems under semi-arid conditions during the first year of application. It will be key to monitor these changes in along-term field studies.

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