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Effect of the Forward Speed and the Operating Depth of the Subsoil Laying Manure Machine on some of Sorghum Crop (Sorghum bicolor L. moench) Growth and Yield Parameters | ||
| Basrah Journal of Agricultural Sciences | ||
| Article 25, Volume 27, Issue 1, 2014, Pages 290-299 PDF (0 K) | ||
| DOI: 10.33762/bagrs.2014.113579 | ||
| Authors | ||
| Shaker H. Aday; Kadhim H. Huthily; Qasim B. AL-Yasiri | ||
| Abstract | ||
| A field experiment were conducted in the agriculture college field, Basra university in autumn season 2013. A manure subsoil laying machine was used. The experiments parameters were four operating depths 20, 30, 40 and 50 cm and two forward speeds 0.31 and 0.50 m sec-1 of clay loam texture. The plowed was plowed by moldboard plow down to 25 cm before using the subsoil laying manure machine. Sorghum crop (sorghum bicolor (L.) Moench) was planted after laying the manure under the soil surface. The results showed that the operating depth of 50 cm surpassed the other operating depths by giving the highest plant was (223.52 cm), biggest dry matter (16.11 ton ha-1), biggest number of seeds per head (1961.50) and highest seed production (5.15 ton ha-1). while the operating depth 20 cm (shallow depth) gave the highest weight of 1000 seeds (31.83 gm) only but gave the lowest values for the rest of the parameter. The machine of forward speed of 0.5 m sec-1 surpassed the forward speed of 0.31 m sec-1 in giving the highest percentage of seeds emergency (79.79 %), the highest plant (209.52 cm), the highest dry matter (14.29 ton ha-1), the biggest number of seeds per head (1701.33) and highest seeds production 3.97 ton ha-1 compared with the forward speed of 0.31 m sec-1. | ||
| Keywords | ||
| Sorghum bicolor; yield components; growth characters; forward speeds; Operating depth | ||
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