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Hamoud, H. (2010). EFFECT OF ORGANIC AND INORGANIC FERTILIZATION ON AVAILABILITY OF SOME NUTRIENTS AND SOIL ORGANIC MATTER QUALITY AFTER WHEAT AND CORN CROP ROTATION. Journal of Soil Sciences and Agricultural Engineering, 1(5), 453-462. doi: 10.21608/jssae.2010.74866
H. S. Hamoud. "EFFECT OF ORGANIC AND INORGANIC FERTILIZATION ON AVAILABILITY OF SOME NUTRIENTS AND SOIL ORGANIC MATTER QUALITY AFTER WHEAT AND CORN CROP ROTATION". Journal of Soil Sciences and Agricultural Engineering, 1, 5, 2010, 453-462. doi: 10.21608/jssae.2010.74866
Hamoud, H. (2010). 'EFFECT OF ORGANIC AND INORGANIC FERTILIZATION ON AVAILABILITY OF SOME NUTRIENTS AND SOIL ORGANIC MATTER QUALITY AFTER WHEAT AND CORN CROP ROTATION', Journal of Soil Sciences and Agricultural Engineering, 1(5), pp. 453-462. doi: 10.21608/jssae.2010.74866
Hamoud, H. EFFECT OF ORGANIC AND INORGANIC FERTILIZATION ON AVAILABILITY OF SOME NUTRIENTS AND SOIL ORGANIC MATTER QUALITY AFTER WHEAT AND CORN CROP ROTATION. Journal of Soil Sciences and Agricultural Engineering, 2010; 1(5): 453-462. doi: 10.21608/jssae.2010.74866

EFFECT OF ORGANIC AND INORGANIC FERTILIZATION ON AVAILABILITY OF SOME NUTRIENTS AND SOIL ORGANIC MATTER QUALITY AFTER WHEAT AND CORN CROP ROTATION

Article 5, Volume 1, Issue 5, May 2010, Page 453-462  XML PDF (375.18 K)
Document Type: Original Article
DOI: 10.21608/jssae.2010.74866
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Author
H. S. Hamoud
Soils, Water and Environment Research Institute, ARC, Egypt.
Abstract
Two field studies were conducted at the experimental farm of Sakha Agric. Res. Station to evaluate the impact of composted rice straw, town refuse and their mixture with urea on the availability of NPK nutrients and some soil organic matter fraction and its quality after wheat (Sakha 94) followed by corn (Giza 352) cropping sequence.
The obtained results showed that the tested soil characteristics were affected due to the applied composts as follows:
1.   The obtained results gave significant increases in N, P and K availability under wheat and corn plant but the application of composted rice straw was more effective for increasing available N, P and K in soil in the 2nd season (after corn), while composted town refuse given an opposite trend.
2.   Light fraction, microbial biomass carbon and polysaccharides increased with increasing application rates especially in the 1st season (after wheat).
3.   The obtained data show that, raise of application rate of composted material (T4 & T7) increased the total carbon (OC%), the percent of humic acid carbon (CHA) and fulvic acid carbon (CFA) of the total carbon. However, there was significant changes in CHA/CFA and CHA + CFA /humin carbon (Chum) ratio but decreased the percent of Chum of the total carbon especially in the 2nd season. On the other hand, there was no significant changes in E4/E6 ratios.
4.   The total acidity and functional groups of obtained humic acid was increased with increasing application rate.
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