论文部分内容阅读
绿灵宝在梨树上的应用绿灵宝是北京太明实用科技研究所最新研制的植物叶面肥，内含氮、磷、钾、钙、镁、铁、硼等多种元素，为了探索在梨树上的应用效果，于１９９３一１９９４年在涿鹿县进行了试验。１．对鸭梨和雪花梨分别在生理落果前和果实膨大期喷布２次绿灵宝３００...
Green Lingbao application in the pear tree Lingbao is the Beijing Institute of Applied Science and Technology, the latest research plant foliage fertilizer, containing nitrogen, phosphorus, potassium, calcium, magnesium, iron, boron and other elements, in order to explore The application effects on pear trees were tested in Zhuolu County from 1993 to 1994. 1. Pear and snow pear on the physical drop fruit before fruiting and squirting 2 green Lingbao 300 ...