scholarly journals Pinus taeda clones and soil nutrient availability: effects of soil organic matter incorporation and fertilization on biomass partitioning and leaf physiology

2009 ◽  
Vol 29 (9) ◽  
pp. 1117-1131 ◽  
Author(s):  
M. C. Tyree ◽  
J. R. Seiler ◽  
C. A. Maier ◽  
K. H. Johnsen
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Pinus Taeda ◽  
Nutrient Availability ◽  
Soil Nutrient ◽  
Biomass Partitioning ◽  
Soil Nutrient Availability ◽  
Leaf Physiology

scholarly journals Potential for Increasing Soil Nutrient Availability via Soil Organic Matter Improvement Using Pseudo Panel Data

2014 ◽  
Vol 05 (08) ◽  
pp. 743-753 ◽  
Author(s):  
María Daniela Chavez ◽  
Paulus Bernardus Maria Berentsen ◽  
Oene Oenema ◽  
Alfons Gerard Joseph Maria Oude Lansink
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Panel Data ◽  
Nutrient Availability ◽  
Soil Nutrient ◽  
Soil Nutrient Availability ◽  
Pseudo Panel

Resilience of soil nutrient availability and organic matter decomposition to hurricane impact in a tropical dry forest ecosystem

2018 ◽  
Vol 426 ◽  
pp. 81-90 ◽  
Author(s):  
Mayra E. Gavito ◽  
Ana Lidia Sandoval-Pérez ◽  
Karem del Castillo ◽  
Daniel Cohen-Salgado ◽  
María Elena Colarte-Avilés ◽  
...  
Keyword(s):  
Organic Matter ◽  
Nutrient Availability ◽  
Forest Ecosystem ◽  
Tropical Dry Forest ◽  
Soil Nutrient ◽  
Organic Matter Decomposition ◽  
Dry Forest ◽  
Soil Nutrient Availability ◽  
Hurricane Impact

scholarly journals One Year Residual Effect of Sewage Sludge Biochar as a Soil Amendment for Maize in a Brazilian Oxisol

2021 ◽  
Vol 13 (4) ◽  
pp. 2226
Author(s):  
Joisman Fachini ◽  
Thais Rodrigues Coser ◽  
Alyson Silva de Araujo ◽  
Ailton Teixeira do Vale ◽  
Keiji Jindo ◽  
...  
Keyword(s):  
Sewage Sludge ◽  
Grain Yield ◽  
Nutrient Availability ◽  
Pyrolysis Temperature ◽  
Residual Effect ◽  
Soil Nutrient ◽  
Mineral Fertilizer ◽  
Corn Yield ◽  
Soil Nutrient Availability ◽  
One Year

The thermochemical transformation of sewage sludge (SS) to biochar (SSB) allows exploring the advantages of SS and reduces possible environmental risks associated with its use. Recent studies have shown that SSB is nutrient-rich and may replace mineral fertilizers. However, there are still some questions to be answered about the residual effect of SSB on soil nutrient availability. In addition, most of the previous studies were conducted in pots or soil incubations. Therefore, the residual effect of SSB on soil properties in field conditions remains unclear. This study shows the results of nutrient availability and uptake as well as maize yield the third cropping of a three-year consecutive corn cropping system. The following treatments were compared: (1) control: without mineral fertilizer and biochar; (2) NPK: with mineral fertilizer; (3) SSB300: with biochar produced at 300 °C; (4) SSB300+NPK; (5) SSB500: with biochar produced at 500 °C; and (6) SSB500+NPK. The results show that SSB has one-year residual effects on soil nutrient availability and nutrient uptake by maize, especially phosphorus. Available soil P contents in plots that received SSB were around five times higher than the control and the NPK treatments. Pyrolysis temperature influenced the SSB residual effect on corn yield. One year after suspending the SSB application, SSB300 increased corn yield at the same level as the application of NPK. SSB300 stood out and promoted higher grain yield in the residual period (8524 kg ha−1) than SSB500 (6886 kg ha−1). Regardless of pyrolysis temperature, biochar boosted the mineral fertilizer effect resulting in higher grain yield than the exclusive application of NPK. Additional long-term studies should be focused on SSB as a slow-release phosphate fertilizer.

Nutrient use strategy and not competition determines native and invasive species response to changes in soil nutrient availability

2021 ◽  
Author(s):  
Amanda E. Knauf ◽  
Creighton M. Litton ◽  
Rebecca J. Cole ◽  
Jed P. Sparks ◽  
Christian P. Giardina ◽  
...  
Keyword(s):  
Invasive Species ◽  
Nutrient Availability ◽  
Soil Nutrient ◽  
Soil Nutrient Availability ◽  
Species Response ◽  
Nutrient Use

scholarly journals Assessment of Potato Farmland Soil Nutrient Based on MDS-SQI Model in the Loess Plateau

2021 ◽  
Vol 13 (7) ◽  
pp. 3957
Author(s):  
Yingying Xing ◽  
Ning Wang ◽  
Xiaoli Niu ◽  
Wenting Jiang ◽  
Xiukang Wang
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Soil Fertility ◽  
Soil Quality ◽  
Soil Nutrients ◽  
Organic Matter Content ◽  
Soil Nutrient ◽  
Matter Content ◽  
Soil Organic Matter Content ◽  
Farmland Soil

Soil nutrients are essential nutrients provided by soil for plant growth. Most researchers focus on the coupling effect of nutrients with potato yield and quality. There are few studies on the evaluation of soil nutrients in potato fields. The purpose of this study is to investigate the soil nutrients of potato farmland and the soil vertical nutrient distributions, and then to provide a theoretical and experimental basis for the fertilizer management practices for potatoes in Loess Plateau. Eight physical and chemical soil indexes were selected in the study area, and 810 farmland soil samples from the potato agriculture product areas were analyzed in Northern Shaanxi. The paper established the minimum data set (MDS) for the quality diagnosis of the cultivated layer for farmland by principal component analysis (PCA), respectively, and furthermore, analyzed the soil nutrient characteristics of the cultivated layer adopted soil quality index (SQI). The results showed that the MDS on soil quality diagnosis of the cultivated layer for farmland soil included such indicators as the soil organic matter content, soil available potassium content, and soil available phosphorus content. The comprehensive index value of the soil quality was between 0.064 and 0.302. The SPSS average clustering process used to classify SQI was divided into three grades: class I (36.2%) was defined as suitable soil fertility (SQI < 0.122), class II (55.6%) was defined as moderate soil fertility (0.122 < SQI < 0.18), and class III (8.2%) was defined as poor soil fertility (SQI > 0.186). The comprehensive quality of the potato farmland soils was generally low. The proportion of soil nutrients in the SQI composition ranged from large to small as the soil available potassium content = soil available phosphorus content > soil organic matter content, which became the limiting factor of the soil organic matter content in this area. This study revolves around the 0 to 60 cm soil layer; the soil fertility decreased gradually with the soil depth, and had significant differences between the respective soil layers. In order to improve the soil nutrient accumulation and potato yield in potato farmland in northern Shaanxi, it is suggested to increase the fertilization depth (20 to 40 cm) and further study the ratio of nitrogen, phosphorus, and potassium fertilizer.

Conocarpus Biochar Induces Changes in Soil Nutrient Availability and Tomato Growth Under Saline Irrigation

Pedosphere ◽  
2016 ◽  
Vol 26 (1) ◽  
pp. 27-38 ◽  
Author(s):  
Adel Rabie A. USMAN ◽  
Mohammad I. AL-WABEL ◽  
Yong S. OK ◽  
Abdulaziz AL-HARBI ◽  
Mahmoud WAHB-ALLAH ◽  
...  
Keyword(s):  
Nutrient Availability ◽  
Soil Nutrient ◽  
Soil Nutrient Availability ◽  
Saline Irrigation ◽  
Tomato Growth

Does soil nutrient availability influence night-time water flux of aspen saplings?

2012 ◽  
Vol 82 ◽  
pp. 37-42 ◽  
Author(s):  
Priit Kupper ◽  
Gristin Rohula ◽  
Liina Saksing ◽  
Arne Sellin ◽  
Krista Lõhmus ◽  
...  
Keyword(s):  
Nutrient Availability ◽  
Water Flux ◽  
Soil Nutrient ◽  
Night Time ◽  
Soil Nutrient Availability
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