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Short-term residual effects of various amendments on organic C and N, and available nutrients in soil under organic crop production
Amendments Compost Organic C and N pH Soil Fertility Soil Quality
2013/2/28
Two 3-year (2008-2010, wheat-pea-barley) field experiments were conducted on certified organic farms near Spalding (Dark Brown Chernozem-Typic Haploboroll) and Star City (Gray Luvisol-Typic Haplocryal...
Effect of Crop Residue on Soil Physical Properties and Rice Yield on an Acid Ultisol at Abakaliki, Southeastern Nigeria
Crop Residue Acid Soil Physical Properties Rice Cultivars Rice Growth Rice Yield
2010/11/16
A study was conducted in 2005 and 2006 to evaluate the effect of different types of crop
residue mulch on soil physical properties and rice yield. The crop residue treatments were dry rice straw, bur...
Effect of Organic Sources and Urea on N Transformation and Yield of Lowland Rice Grown in Clay Loam Soil
N forms yield organics urea NUE rice
2010/11/15
Field experiments were conducted during Kharif 2006 and 2007 in clay loam soil to study the
effect of organic sources and urea on N transformation and yield of rice. The treatments consisted of addit...
Effect of Indigenous Nitrogen Supply of Soil on the Grain Yield and Fertilizer-N Use Efficiency in Rice
soil indigenous nitrogen supply soil fertility rice yield fertilizer use efficiency nitrogen
2009/1/7
The effects of application of N fertilizer on wheat on the grain yield and N use efficiency (FNUE) of rice in the wheat-rice rotation system, as well as on the soil fertility were studies. N-fertilize...
Variation of Soil Microbial Biomass and Enzyme Activities at Different Growth Stages of Rice (Oryza sativa)
rice soil microbial biomass soil metabolic quotient soil enzyme activity chlorophyll
2009/1/7
A pot experiment was conducted under submerged conditions with hybrid rice Zhenong 7 to study the variation in the soil microbial biomass carbon (Cmic), soil microbial biomass nitrogen (Nmic), soil re...
Influence of Varieties and Management Practices on Growth, Yield and Economics of Direct Seeded Rainfed Rice in Coastal Saline Soil
Rainfed rice varieties management practices KCl spray azospirillum yield
2010/11/10
A field experiment was conducted in farmers’ field at Nagapattinam, Tamil Nadu, in rabi 2004
(September, 2004 to January, 2005) to identify the suitable rice variety for direct seeding under rainfed ...
Composting of Rice Straw and its Influences on Iron Availability in Calcareous Soil
Rice straw C/N ratio humic acid ferrous-Fe iron fraction grain yield
2010/11/9
Composting incubation and pot experiment were conducted to evaluate the nutritional status of
composted rice straw mixed with organic raw materials and assess the combined effect of compost and iron ...
THE INFLUENCE OF MINIMUM TILLAGE SYSTEMS UPON THE SOIL PROPERTIES, YIELD AND ENERGY EFFICIENCY IN SOME ARABLE CROPS
minimum tillage yield energy efficiency
2010/12/1
The paper presents the influence of the conventional ploughing tillage technology in comparison with the minimum tillage, upon the soil properties, weed control, yield and energy efficiency in the cas...
ATRAZINE ADSORPTION-DESORPTION BEHAVIOR IN DAREHASALUIE KAVAR CORN FIELD SOIL
adsorption desorption isotherm
2010/2/4
Adsorption desorption behaviors of widely applied atrazine soil were studied, employing a batch technique as a case study in Darehasaluie Kavar corn field in Fars Province in 2005. Samples were collec...