Results 91 to 100 of about 349,979 (207)

The Characteristic of Soils with Andic Properties Derived From Acid Pyroclastic Materials in Toba High Land [PDF]

open access: yes, 2009
Soil with andic properties are generally found in Indonesian volcanic high land. To characterize the andic soils, six pedons derived from pyroclastic rock from Toba high land were studied.
PRASETYO, B. H. (BAMBANG)   +2 more
core  

Пространствено вариране на почвеното органично вещество при мониторингова мрежа на кисела почва

open access: yesПочвознание, агрохимия и екология, 2011
Spatial variability of organic carbon, total nitrogen and C:N ratio were studied in soil monitoring network. It is observed spatial dependence between soil pH and organic carbon and total nitrogen distribution.
Веселин Кутев   +1 more
doaj  

Мониторингова мрежа за изследване на кисели почви „Кънчево”

open access: yesПочвознание, агрохимия и екология, 2013
Soil monitoring programs in European countries are developed very intensively. It is due to the understanding that soils are unrecoverable resource at exposures exceeding the tolerance of the soil, and that monitoring their quality is equally important ...
ВЕСЕЛИН КУТЕВ   +1 more
doaj  

Selection methods for maize seedlings in greenhouse as related to aluminum tolerance

open access: yesScientia Agricola, 2002
Genetic improvement is a useful approach to increase aluminum tolerance in maize. This experiment was carried out to compare two screening techniques under greenhouse conditions and estimate the association between the results obtained for both bioassays
Carlos Daniel Giaveno   +1 more
doaj  

Assessment of acid soils for sanitary landfill in Khana Local Government Area of Rivers State, South – South, Nigeria

open access: yesIlmu Pertanian (Agricultural Science)
Open dumping of refuse is the order of the day and the collective method for discarding municipal solid waste, and the inefficient way of handling waste coupled with poor planning of landfill has resulted to environmental pollution and land degradation ...
Kaananwii Dum Peter   +1 more
doaj   +1 more source

Liming and fertilization to restore degraded Brachiaria decumbens pastures grown on an entisol

open access: yesScientia Agricola, 2003
The reconstitution of soil fertility is essential in the process of pasture restoring, liming being the first action to be taken in this direction. The liming recommendation for pastures needs more technical information as the application method and rate.
Patrícia Perondi Anchão Oliveira   +4 more
doaj  

Scoping biological indicators of soil quality Phase II. Defra Final Contract Report SP0534 [PDF]

open access: yes, 2011
This report presents results from a field assessment of a limited suite of potential biological indicators of soil quality to investigate their suitability for national-scale soil ...
Black, H.I.J.   +9 more
core  

Obtención de una población de maíz para tolerancia a factores adversos en Tres estados de Venezuela Obtaining of a corn population for tolerance to adverse factors in three Venezuelan States

open access: yesBioagro, 2012
El maíz (Zea mays L.) en Venezuela se produce en una amplia diversidad de condiciones agroecológicas. Entre las limitaciones bióticas y abióticas se encuentran enfermedades, déficit de oxígeno en el suelo por exceso lluvias, déficit hídrico por sequía ...
Alberto Chassaigne-Ricciulli   +2 more
doaj  

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