Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Different Tillage Practices in Sunflower (Helianthus annuus) Cultivation in a Crop Rotation System with Intercropping Triticosecale -Pisum sativum

Version 1 : Received: 14 November 2022 / Approved: 17 November 2022 / Online: 17 November 2022 (12:49:56 CET)

A peer-reviewed article of this Preprint also exists.

Molla, A.; Charvalas, G.; Dereka, M.; Skoufogianni, E. Effect of Different Tillage Practices on Sunflower (Helianthus annuus) Cultivation in a Crop Rotation System with Intercropping Triticosecale-Pisum sativum. Plants 2022, 11, 3500. Molla, A.; Charvalas, G.; Dereka, M.; Skoufogianni, E. Effect of Different Tillage Practices on Sunflower (Helianthus annuus) Cultivation in a Crop Rotation System with Intercropping Triticosecale-Pisum sativum. Plants 2022, 11, 3500.

Abstract

The objective of this work was to investigate the effect of different soil tillage practices in sunflower cultivation in a rotation system with intercropping Triticosecale x Pisum sativum. For this purpose a two year experimental field of 5% slope was established in central Greece. There were four treatments with three replications each. The treatments were: (a) no tillage - planting parallel to the contour (NTC-PAC), (b) conventional tillage - planting parallel to the contour (CTC-PAC), (c) no tillage - planting perpendicular to the contour (NTC-PEC), (d) conventional tillage - planting perpendicular to the contour (CTC-PEC). During the experiment plant height, leaf area index, specific leaf area, plants’ total nitrogen and plants’ proteins were measured. According to the results plant height ranged from 64.9 (CTC-PAC) to 85.2 cm (NTC-PEC) the 1st year and between 66.5 – 86.5 cm in CTC-PAC and NTC-PEC treatments in the 2nd year. Furthermore, LAI and SLA, plant’s total nitrogen and protein content and N-uptake were affected positively by the no tillage practice. To conclude, sunflower is a promising crop in a rotation system with intercropping Triticosecale x Pisum sativum, cultivating under rainfed sloping conditions.

Keywords

LAI; SLA; N-uptake; total nitrogen; Greece

Subject

Environmental and Earth Sciences, Environmental Science

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