5Bhowmik P K,,Matsui T,Ikeuchi T,Suzuki H.Changes in storage quality and shelf life of green asparagus over an extended harvest seasonPostharvest Biology and Technology,2002.
6Drost D,Wilcox-Lee D.Soil water deficits and asparagus:II.Bud size and subsequent spear growthScientia Horticulturae,1997.
7Fisher K J,Benson B L.Effects of nitrogen and phosphorus nutrition on the growth of asparagus seedlingsScientia Horticulturae,1983.
8Lill R E,King G A,O’’Donoghue E M.Physiological changes in asparagus spears immediately after harvestScientia Horticulturae,1990.
9Piotto B,Bartolini G,Bussotti F,Caldeórn García A A,Chessa I,Ciccarese C,Ciccarese L,Crosti R,Cullum F J,Noi A D,García-Fayos P,Lombardi M,Lisci M,Lucci S,Melini S,Mu?oz Reinoso J C,Murranca S,Nieddu G,Pacini E,Pagni G,Patumi M,Pérez García F,Piccinn.Fact sheets on the propagation of Mediterranean trees and shrubs from seedsSeed Propagation of Mediterranean Trees and Shrubs,2003.
10Ryall A L,Lipton W J.Handling,transportation and storage of fruits and vegetablesVegetables and melons,1983.
