New generation soil property maps for Africa

A new type of soil property maps for Africa has been launched by ISRIC − World Soil Information in Wageningen, European country. The maps are freely accessible.

The maps contain predictions of seven soil properties at six normal depths at one metric linear unit resolution. ISRIC has additionally created the computer code obtainable to establishments that need to come up with their own soil property maps. data of soil properties equivalent to organic carbon content, clay content and hydrogen ion concentration is significant for agriculture and temperature change analysis in Africa. [1]

Identifying the Relationship between Soil Properties and Rice Growth for Improving Consolidated Land in the Yangtze River Delta, China

China has wide enforced land consolidation, that was expected to extend the quantity of tilled land and enhance grain yields. Key elements of land consolidation embody filling mall waterbodies and leveling land, each of that has sturdy impacts on the setting within the River Delta. The impacts of land consolidation on soil ecology and agricultural production don’t seem to be however clear. Here, we tend to conduct a field survey of soil properties and rice growth to notice the results of land consolidation within the initial season. The normalized distinction vegetation index (NDVI) was wont to analyze the remote sensing knowledge. we tend to found important variations within the soil properties beneath differing kinds of land leveling, with a general NDVI pattern of management > borrowed surface soil space > crammed waterbodies space > surface soil cutting space. we tend to found important nonuniformity in rice NDVI when land consolidation. [2]

Effect of probabilistic variation in soil properties and profile of site response

Site response could be a performance of the profile, and also the probable distribution of the profile encompasses an important result on the seismal website response. within the gift study, the influence of random variations in soil characterizations on the positioning response is investigated victimization totally different probabilistic distributions. The vital characteristics of the native soil, love the layering, the shear wave rate (), the decrease within the nonlinear modulus, and also the damping (MRD) curves, a square measure thought of once ending these random variations. random processes square measure generated by victimization totally different distribution models and keeping in mind the result of the coefficients of the variations. during this analysis, a planned procedure is developed and coded to perform the variations in soil characterizations. The cryptography of this new procedure relies on the first SHAKE91 framework. [3]

Soil properties across a chronosequence of Ailanthus altissima in semiarid plantations

Afforestation may be the main tool for preventing geologic process and erosion in arid and dry regions of Asian country. Large-scale conversion, however, has poorly understood consequences for the longer term ecosystems within the term of ecosystems protection. the target of this study is to spot changes in soil properties following completely different intervals of planting of ailanthus (tree of heaven) in the dry conversion of an Asian country (Chitgar Forest Park, Tehran). For this purpose, sand, silt and clay ratios, bulk density, soil wetness, pH, electrical conduction, phosphorus, potassium, magnesium, calcium, sodium, total soil N, and total carbon was measured. [4]

Temporal Profiles of Soil Properties and Performance of Amaranthus Grown on Farm Yard Manure-mediated Crude Oil Polluted Soil

An experiment was conducted within the plant house of the Department of Crop, Soil and blighter management, Federal University of Technology, Akure, Nigeria, to look at the effectiveness of manuring and incubation periods on the amelioration of the hepatotoxic effects of rock oil contamination on soil properties and caryophylloid dicot genus performance. The time dynamics of physical, chemical and microorganism population of the manured mediate rock oil contamination were discovered following 270 days (9 months) of incubation. bonnie light-weight rock oil was applied at zero and five-hitter (0 and 325 cubic centimeters per pot) to the pack (pot) soil that was amended with Farm Yard Manure (FYM) at zero and forty g per pot. The manure-mediated rock oil contaminated pack soil were incubated for periods of zero, 2, 4, half dozen and nine months. Treatments were organized victimization utterly irregular style (CRD) with 3 replications. The toxicity of the rock oil pollution and its capability to support plant growth was assessed via germination, phanerogam survival and growth of caryophylloid dicot genus at the assorted periods of incubation. information was conjointly collected on soil biological, physical and chemical properties at the assorted sampling dates (periods of incubation). [5]

Reference

[1] New generation soil property maps for Africa

Date: April 16, 2013, Source: Wageningen University and Research Centre (web link)

[2] Identifying the Relationship between Soil Properties and Rice Growth for Improving Consolidated Land in the Yangtze River Delta, China

Li X, Yu M, Ma J, Luo Z, Chen F, Yang Y. Identifying the Relationship between Soil Properties and Rice Growth for Improving Consolidated Land in the Yangtze River Delta, China. Sustainability. 2018 Aug 29;10(9):3072. (web link)

[3] Effect of probabilistic variation in soil properties and profile of site response

Tran TT, Han SR, Kim D. Effect of probabilistic variation in soil properties and profile of site response. Soils and Foundations. 2018 Aug 31. (web link)

[4] Soil properties across a chronosequence of Ailanthus altissima in semiarid plantations

Aghajani H. Soil properties across a chronosequence of Ailanthus altissima in semiarid plantations. Sustainable Forestry. 2018 Aug 27. (web link)

[5] Temporal Profiles of Soil Properties and Performance of Amaranthus Grown on Farm Yard Manure-mediated Crude Oil Polluted Soil

Agele Samuel1*, Aiyelari Peter1, Idowu Ronke1, Hazzan Yinuus1 and Ogundare Kayode1

1Department of Crop, Soil and Pest Management, Federal University of Technology, Akure, Nigeria. (web link)

Leave a Reply

Your email address will not be published. Required fields are marked *