Dynamics of earthworm species at different depths of orchard soil receiving organic or chemical fertilizer amendments
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منابع مشابه
Soil Aggregate, Organic Matter and Microbial Dynamics under Different Amendments after 27 Years of Mine Soil Development
Physical and biological properties of soils developing from spoil material following surface coal mining in southwest Virginia are poorly understood. Additionally, the effects of various types of soil amendments such as sawdust, topsoil or biosolids on long-term soil development are lacking in the current literature. The objective of this study was to examine water stable aggregation, organic m...
متن کاملthe role of application of dynamic assessment approach in improvement of iranian efl writing performance at different language proficiency levels
the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...
Temporal changes of soil physic-chemical properties at different soil depths during larch afforestation by multivariate analysis of covariance
Soil physic-chemical properties differ at different depths; however, differences in afforestation-induced temporal changes at different soil depths are seldom reported. By examining 19 parameters, the temporal changes and their interactions with soil depth in a large chronosequence dataset (159 plots; 636 profiles; 2544 samples) of larch plantations were checked by multivariate analysis of cova...
متن کاملEffects of a Biological Amendment on Chemical and Biological Properties and Microbial Diversity in Soils Receiving Different Organic Amendments
Microbial amendments have received considerable interest in sustainable agriculture for enhancing crop productivity, improving soil quality, and reducing inputs of chemical fertilizers and pesticides (Hussain et al., 1999). Microbial amendments are also known as biofertilizers, biodynamic fertilizers or microbial inoculants, which are comprised of living microorganisms that can function as chem...
متن کاملEvaluation of Soil Amendments for Certified Organic Pepper Production
Introduction Based on the interest among organic farmers in Iowa for an unbiased analysis of the many natural soil amendment/fertilizer and compost products on the market for certified organic vegetable and herb crop production, several experiments have been conducted (Delate 1999). According to the USDA Economic Research Service, statistics on organic production in the U.S. lag far behind thos...
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ژورنال
عنوان ژورنال: EURASIAN JOURNAL OF SOIL SCIENCE (EJSS)
سال: 2018
ISSN: 2147-4249
DOI: 10.18393/ejss.454506