Mulching is a very simple and beneficial practice where organic material, such as crop residues and weeds, or inorganic material, like plastic sheets, is spread over the soil surface. (http://www.fao.org/3/CA3084EN/ca3084en.pdf)
The mule (Equus mulus) is a hybrid cross of a male donkey (Equus asinus) and a female horse (Equus caballus). Found primarily as a beast of burden thanks to their strength and rusticity. (Bazzano, M.; Arfuso, F.; Bonfili, L.; Eleuteri, A.M.; McLean, A.; Serri, E.; Spaterna, A.; Laus, F. Measuring Biochemical Variables and Serum Amyloid A (SAA) in Working Mules in Central Italy. Animals 2022, 12, 2793. https://doi.org/10.3390/ani12202793)
An echo integrator measures the total voltage of the fish echoes received from a given depth interval and sums these voltages over time. (https://www.btb.termiumplus.gc.ca/ citing Journal of the Fisheries Research Board of Canada. Ottawa : Fisheries Research Board of Canada)
Education that is institutionalised, intentional and planned through public organizations and recognised private bodies and – in their totality – constitute the formal education system of a country. (UIS. International Standard Classification of Education, ISCED 2011. Montreal: UIS, 2012.)
