ISBN: 9787109289130 - 【新华书店】正版 蜜梨全产业链质量安全风险管控手册/特色农产品质量安 (1 resultados)

paperback. Condición: New. Paperback. Pub Date: 2021-10-01 Pages: 75 Language: Chinese Publisher: China Agricultural Publishing House Zhejiang Province has good agricultural and climatic conditions. and is a suitable cultivation area for southern pear varieties. Especially in the Hangjiahu area. where the climatic conditions are good. the cultivation of sand pears has gradually taken shape. The main pests and diseases in the production process of honey pears are pear small borer. pear aphid. Chinese pear psyllid. red s. …