Results 11 to 20 of about 764,844 (311)
Soil State Testing Using Heavy Vehicle Vibrations
Energies, 2022 Changes in the elastic characteristics of the railway subgrade have been determined using nonstop long-term (more than 50 days) train passage seismic observations.
Natalia K. Kapustian +2 more
doaj +1 more source
Soil heterogeneity and soil testing.
Netherlands Journal of Agricultural Science, 1955 The error of analysis is generally small. The standard deviation influenced by analysis and sampling averages 10% in P, K and Mg determinations. The error in pH value is approximately 0.1 per unit. There is little difference between grassland and arable land or between various types of soil in this respect; the size of the field has, on the average, no
T.J. Ferrari, F.H.B. Vermeulen
openaire +2 more sources
Automated soil hardness testing machine [PDF]
, 2007 This paper describes the design and performance of a mechatronic system for controlling a standard drop-hammer mechanism that is commonly used in performing outdoor soil or ground hardness tests. A low-cost microcontroller is used to control a hydraulic
Cubero, Samuel N. +1 more
core +2 more sources
Nutrient Management Effects on Wine Grape Tissue Nutrient Content
Plants, 2022 With limited research supporting local nutrient management decisions in North Carolina grape (Vitis vinifera) production, field studies (2015–17) were conducted to evaluate late season foliar nitrogen (N) application on leaf and petiole N concentration ...
John L. Havlin +4 more
doaj +1 more source
Agronomy, 2021 Rapid, cost-effective, and environmentally friendly analysis of key soil fertility attributes requires an ideal combination of sensors. The individual and combined performance of visible and near infrared (VNIR) diffuse reflectance spectroscopy, X-ray ...
Tiago Rodrigues Tavares +6 more
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Informes de la Construccion, 1983 Se resumen y comparan someramente los principales métodos de mejora geotécnica de los suelos de cimentación. Se trata con más detalle la técnica de las inyecciones químicas y la de compactación dinámica profunda de suelos flojos.
Alvaro López Ruiz
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Acidification of forest soils in the Hrubý Jeseník region
Soil and Water Research, 2011 The Hrubý Jeseník Natural Forest Region (NFR) is a border mountain territory which belongs to the areas most heavily impacted by air pollution in the Czech Republic.
Dušan Reininger +2 more
doaj +1 more source
VALUE CHAIN ANALYSIS OF MANGO (MANGIFERA INDICA L.) IN SAPTARI DISTRICT, NEPAL [PDF]
Malaysian E Commerce Journal, 2021 A study in value chain of mango in Saptari district of Nepal was conducted during January 2019 to June 2020 in Surunga municipality, Khadak municipality, Balan Bihul rural municipality, Rajbiraj municipality, Agni Sair rural municipality, Shambhunath ...
Saroj Shrestha +2 more
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Nutritional Requirements and Fertilizer Recommendations for Florida Sugarcane
EDIS, 2023 This publication combines fertilizer recommendations for organic and mineral soils into a comprehensive guide for Florida sugarcane growers. Written by J. Mabry McCray and Ronald W. Rice, and published by the UF/IFAS Agronomy Department, revised January
J. Mabry McCray, Ronald W. Rice
doaj +3 more sources
Open Agriculture, 2019 Chromium (Cr) toxicity is becoming one of a major issue for the cultivation of crops. Toxicity of Cr directly affects synthesis of chlorophyll and restricts Fe intake, which decreases crop growth.
Danish Subhan +8 more
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