EFFECT OF AGRIPRACTICES, PEDILOGICAL AND HYDROLOGICAL FACTORS ON YIELD OF SUGARCANE IN KOM-OMBO, ASWAN

Document Type : Original Article

Authors

1 Sugar Crops Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt

2 Central laboratory for Design and Statistacal Analysis, Agricultural Research Centre, Giza, Egypt

Abstract

A sample area was selected during the agricultural season 1986 -1988 over 20 sugarcane fields in old and new lands in Kom Ombo , Aswan governerate on the basis of noticeable differences in cane growth within and among fields of plant and ratoon types. The yield data showed that the average cane yield differed from 24 to 54. 5 TC/F . A step-wise multiple regression analysis was implemnted to quantify the contibution of agronomic, hydrological and pedilogical effect on cane yield and its components. Low yields of sugarcane in fields in the Kom Ombo area are the result of the combined effect of inadequate agripractices as well as pdei­logical and hydrological constraints. Soil and water variables cause 63. 7 % of the observed yield decline, while agripractices contribute7.6 % of this decline. Stalk height (length ) is, the cane yield component , most affected by agronomic and soil variables. It accounts for 57.7 % of the observed decline in cane yield among good, average and poor -yielding fields. Stalk weight causes 6. 01 % of the observed yield differnces

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