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Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani (2015)

Soil resource mapping of oilseed research station, Latur.

Shinde, Ganesh Santaram

Titre : Soil resource mapping of oilseed research station, Latur.

Auteur : Shinde, Ganesh Santaram

Université de soutenance : Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani

Grade : Master of Science (MS) in soil Science and Agricultural Chemistry 2015

Résumé partiel
The present investigation entitled “Soil resource mapping of oilseed research station, Latur” was under taken to study the soils of oilseed research station, latur for theire physical, chemical properties and to evaluate fertility status and soil site suitability.The study area is located in Latur district, Maharashtra in between 18° 24’ 90” N latitude and 76° 36’ 99” E longitude. The geographical area of the oilseed research station is 25 ha. The climate of the area is hot, dry and sub-humid with annual rainfall of 794 mm. The mean maximum and minimum temperature are 32.7°C and 18.1 °C respectively. The study area was surveyed and finalized the three soil **s> profiles, two ground water samples and forty locations for surface soil samples. Horizon wise soil profile samples and surface soil samples up to 0 - 20 cm were collected for laboratory analysis. The soils are shallow to moderately deep, very dark gray (10YR3/1) to brown (10YR 5/3) in colour, granular to angular blocky structure, clay to silty clay in texture. The bulk density of these soils varied from 1.3 to 1.48 Mg nf3, PAWC varied from 66.22 to 222.80 mm and saturated hydraulic conductivity varie from 3.34 to 14.62 cm hr’1. The soils are neutral to moderately alkaline in nature (7.0 to 8.1) the electrical conductivity varied from 0.19 to 0.23 dSnf1. Low to moderate in organic carbon (0.12 to 0.93 per cent) whereas low to high in calcium carbonate (3.8to 10.1 %) and high in cation exchange capacity (39.24 to 66.30 cmol(P+) kg’1). The calcium was the dominant cation fallowed by magnesium, soidium and potassium.

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