POSSIBILITY OF USING SOME AGRICULTURAL RESIDUALS IN TOMATO NURSERY PRODUCTION

Document Type : Original Article

Authors

1 Assoc. Prof., Water and Farm Irri. Sys. Eng. Dept., Fac. of Agric. Eng., Al-Azhar Univ., Cairo, Egypt.

2 Assoc. Prof., Soil and Water Dept., Fac. of Agric., Al-Azhar Univ. Cairo, Egypt.

3 Lect., Agric. Produc. Proc. Eng. Dept., Fac. of Agric. Eng., Al-Azhar Univ. Cairo, Egypt.

4 Lect., Agric. Struc. and Enviro. Cont. Eng. Dept., Fac. of Agric. Eng., Al-Azhar Univ, Cairo, Egypt.

Abstract

The main objective of this study is possibility of using some agricultural residuals as plant media to tomato nursery. These residues as ground cotton stalks, ground rice straw and ground corn stalks. Each residual contains different ratio of sand. Also, one sample was 75% peatmoss plus 25% velrmiculite as a control. Laboratory experiments were conducted to quantify real density (g/cm3), bulk density (g/cm3), hydraulic conductivity (cm/min), total porosity (%), and available water (g/g) as affected by different mixtures experimental. The tomato nursery was planted into trays in greenhouse to study some growth parameters as germination ratio, nursery high, plant weight, and leaves number as affected by different mixtures. The results show that in the media of (sand + ground cotton stalks), (sand + ground rice straw), and (sand + ground corn stalks) decreased sand ratio gave an increased in both total porosity and available water, the highest value of total porosity and available water were at mixture of (20% sand + 80%residuals). Also, the highest growth parameter of nursery as nursery weight and nursery high was obtained with the same mixture.

Main Subjects

References

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