海量图书期刊资源，随时随地畅享阅读乐趣
Effect of host plant makeup through nitrogen fertilization and growth regulators on the pear psylla populationShaltiel-Harpaz, Liora; Kedoshim, Rika; Openhiem, Dovik; Stern, Raphael; Coll, Moshe · Israel Journal of Plant Sciences · 2010