The Use of A Three-Factor Computer Program in The Evaluation of Compost, Farmyard Manure and Sheep Manure and Its Impacts on some Soil Chemical Properties. استخدام برنامج کمبيوتر ثلاثى العوامل لتقييم الکمبوست والسماد البلدى وسماد الغنم وتأثيرهم على بعض الخصائص الکيميائية للتربة. | ||||
| Journal of Soil Sciences and Agricultural Engineering | ||||
| Article 10, Volume 11, Issue 8, August 2020, Page 417-430 PDF (1.61 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jssae.2020.114868 | ||||
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| Authors | ||||
E. I. El-Maddah; M. E. El-Sodany; Y. A. M. Abd-Allah 
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| Soil, Water and Environment Research Inst. Agric. Res. Center, Giza, Egypt. | ||||
| Abstract | ||||
| Two field experiments were conducted on clayey soil during the two seasons (winter 2017/2018 using wheat and summer 2018 using maize) at El-Gemmeiza Agricultural Research Station, El-Gharbia Governorate to evaluate some natural organic amendments on improving some soil chemical properties and macronutrients status (N PK) and their availability for plants. Furthermore, economical analysis was done to determine the economical treatment. The experiments were designed in a randomized complete block design with three replicates. Thirteen treatments having different compost, farmyard manure and sheep manure were used to cover all possible combinations as well as control (without any addition). The results were shown in a triangle diagram using a special computer program. Results can be summarized as follows: All treatments play a positive role on reducing soil pH, soluble Na, SAR values, Ex Na and ESP and progressive increasing in soil EC, soluble cations and anions, total soluble salts, O.C, C/N ratio and significantly increases in Ex Ca, Mg, K and CEC at the two soil depths (0-20 and 20-40 cm) in the two seasons compared with the control and clearly enhanced total macronutrients status of the investigated soil. Economical analysis indicate that the highest net income value (11960.06LE Fed-1) was incorporated with combination consists of 50% C and 50% Sh. Therefore, it is more useful to use those treatments (compost, FYM and sheep manure) and their combination to get a markedly improve in both chemical properties and macronutrients, which reflect on plants growth incorporated with high net revenue. | ||||
| Keywords | ||||
| Compost; farmyard manure; sheep manure and soil chemical properties | ||||
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