EFFECT OF DIFFERENT TILLAGE SYSTEMS ON SOME WATER REQUIREMENTS AND COTTON CROP YIELD | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 5, Volume 26, Issue 3, July 2009, Page 1104-1119 PDF (342.84 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2009.107759 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Hamada EL-Khateeb1; Mohamed Khodeir1; Mahmoud Saied2 | ||||
| 1Ag. Eng. Res. Inst., Dokki, Giza, Egypt. | ||||
| 2Soil Water and Environment Res. Inst., ARC., Egypt. | ||||
| Abstract | ||||
| The present investigation was conducted at Sakha Agricultural Research Station , Kafr EL-Sheikh Governorate to study the effect of different seedbed preparation on water requirements and cotton yield. Five treatments were used in this study as follows :A) Disc harrow , B) Chisel plough one-pass + disc harrow , C) Chisel plough two - passes + disc harrow , D) Chisel plough one - pass + subsoiler + disc harrow and E) Chisel plough two – passes + subsoiler + disc harrow . Results showed that the chisel plough was effective in lowering field efficiency to about 65.0 % compared to 92.0% of the subsoiler plough .The slip ratio were the disc harrow about 4.0% compared to 13.06% for subsoiler plough. Generally, the cost of seedbed preparation per fadden was 8.0 L.E/fed for the disc harrow and 23.0 L.E/fed with the subsoiler plough. The yield calculated for each treatment was as follow 4.29,5.17,5.77,6.55 and 6.36 Kantar / fadden for treatments A, B,C,D and E, respectively . Water requirements were 3033, 3185, 3205, 3319 and 3591 m3/fed for the same above-mentioned treatments. Field water use efficiency calculated for each treatment and recorded as follows: 0.22,0.26,0.28,.0.31 and 0.28 Kg / m3 for the same above mentioned treatments. Also, water application efficiency recorded as follows: 73.05,73.63,75.02,74.18 and 70.91%. The soil pulverization degree were 74.6, 73.7, 72.0, 70.4 and 69.0 % for A, B, C, D, and E, respectively. | ||||
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