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By detecting the nutrient elements contents in soil for monitoring the rice growth and conditions of nutrients, a month after fertilization N, P, K and no fertilization in paddy soil have been analyzed by laser induced breakdown spectroscopy (LIBS) technique, which is using a Nd: YAG ns laser at 1064 nm and an eight-channel AvaSpec spectrometer with CCD detector. The characteristic spectra and the...
Rice (Oryza sativa L.) cultivation is due to special conditions of land preparation affect on physical characteristics such as soil bulk density, surface aggregates dispersion, infiltration rate and compaction. The study area is located at Lenjan, in Isfahan province, in the center of Iran, soil physical properties of rice cultivation, wheat cultivation (Triticum aestivum L.) and rice-wheat rotation...
Specific location of extracellular enzymes within the soil matrix was related to soil organic matter (SOM) quality and carbon turnover. A physical fractionation procedure was used to investigate whether soil carbon was spatially isolated from degradative enzymes in a paddy soil. In POM fractions of this study, high C concentrations are found because they are derived from inputs of recent plant materials...
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