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Study on the effect of sewage sludge on a zucchini plantation

Italian zucchini is an important crop due to its short cycle, high productivity, and great market acceptance. The objective of this study was to evaluate the emergence and growth of Italian zucchini plants in substrates enriched with sewage sludge.

The study was conducted in a greenhouse using Italian zucchini seeds purchased at local commerce. The substrates were composed of dystrophic Yellow Red Latosol; sand and sewage sludge in the proportions of 0; 40; 80; 120 and 240 t ha-1, in a randomized block design. Each experimental plot was composed of twenty replicates.

The following variables were analyzed: emergence, emergence velocity index, first leaf length, stem length, number of leaves, fresh and dry aerial plant part, volume, and root dry mass. It was verified that the post-seminal growth of Italian zucchini is viable in the maximum concentration of up to 398.56 t ha-1 of sewage sludge.

Read the complete article at

Lopes, José & Fávaris, Nathália & Freitas, Allan & Alexandre, Rodrigo & Lopes, Simone. (2021). EFFECT OF SEWAGE SLUDGE ON ITALIAN ZUCCHINI PLANTATION. Pensar Acadêmico. 19. 1. 10.21576/pa.2021v19i2.1849. 


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