RESPONSES OF CORN SILAGE TO SOWING PATTERN UNDER SUBSURFACE DRIP IRRIGATION IN A SANDY SOIL

Saad Drissi (), Abdel Aziz Hassane Sidikou, Ahmed Bouaziz, Ahmed Bamouh, Khalid Dhassi, Yousra El-Mejjaouy, Hicham El Hajli and Abdelhadi Ait Houssa
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Saad Drissi: Department of Agronomy and Plant Breeding, National School of Agriculture, Meknes, Morocco.
Abdel Aziz Hassane Sidikou: Department of Plant Production, Protection, and Biotechnology, Hassan II Institute of Agronomy and Veterinary Medicine, Rabat, Morocco
Ahmed Bouaziz: Department of Plant Production, Protection, and Biotechnology, Hassan II Institute of Agronomy and Veterinary Medicine, Rabat, Morocco
Ahmed Bamouh: Department of Plant Production, Protection, and Biotechnology, Hassan II Institute of Agronomy and Veterinary Medicine, Rabat, Morocco
Khalid Dhassi: Agricultural Training and Research Center, Providence Verte company, Rabat, Morocco.
Yousra El-Mejjaouy: AgroBiosciences program, University Mohamed VI Polytechnic.
Hicham El Hajli: Moroccan agricultural cooperative, Taroudant, Morocco
Abdelhadi Ait Houssa: Agricultural Training and Research Center, Providence Verte company, Rabat, Morocco.

Malaysian Journal of Sustainable Agriculture (MJSA), 2022, vol. 6, issue 1, 12-16

Abstract: The subsurface drip irrigation technique is introduced in many agricultural areas of Morocco, particularly in the forage production systems. This study aims to determine the optimal sowing pattern of forage corn equipped with a subsurface drip irrigation system. A field experiment was carried out on sandy soil. Five rows spacing were evaluated: 40 cm, 55 cm, 70 cm, 85 cm, and 100 cm. The sowing rate was around 120000 plants ha-1. The subsurface irrigation system consisted of drip lines buried at 30 cm and separated by 100 cm with 1 L h-1 emitters and 50 cm as emitters spacing. The results revealed that the fraction of PARi and the accumulated PARi were not influenced by the sowing pattern. The highest corn dry biomass was recorded at 40 cm, 70 cm, and 85 cm row spacing. The biomass increase was mainly attributed to grain yield. The lowest irrigation water use efficiency was recorded at 100 cm row spacing (4.3 kg m-3). Concerning the forage quality, the sowing pattern did not influence the net energy for lactation and other forage quality parameters.

Keywords: corn; sowing pattern; subsurface drip irrigation; productivity; forage quality (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbmjsa:v:6:y:2022:i:1:p:12-16

DOI: 10.26480/mjsa.01.2022.12.16

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