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据《北方园艺》2014年第17期《保水剂对“绿岭”核桃栽植成活及生长发育的影响》(作者张玲等)报道,以一级“绿岭”核桃嫁接苗为试材,地径1.5 cm,嫁接部位以上高度80~100 cm,主根长20 cm,侧根15条以上,无病虫害、健壮一致,研究保水剂不同施用部位和不同施用剂量对核桃栽植成活和生长发育的影响,以期提高旱地核桃栽植成活率。结果表明,保水剂有利
According to the report of “Northern Horticulture”, No. 17, 2014, “Effect of Water-Retention Agent” on “Green Ridge” and “Walnut Planting, Survival and Growth and Development” (by Zhang Ling et al.), The test materials were 1.5 cm in diameter, 80 cm to 100 cm above the grafting site, 20 cm of the main root length and more than 15 of the lateral roots without any pests and diseases. The study was conducted to study the survival and growth of the walnut in different application sites and doses In order to improve the survival rate of walnut planting in dry land. The results show that the super absorbent polymer