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Some Years of Trials on the Effectiveness of Hazelnut Foliar Fertilization

机译：榛子叶面施肥效果的多年试验

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In the Monferrato district, unfortunately, suggestions and technical information on fertilization of hazelnut orchards are given to the growers by the vendors. Just to check if the use of some commercial foliar fertilizers and their mixture, could behelpful for the hazelnut orchard productivity and fruit quality, the use of 2 of them, has been tried. At this regard we thought to simulate the growers behaviour in fertilizer application and, obviously, considering also some rows without any fertilizers application. We used 3 blocks, each of them of 3 rows, for each thesis and test. The yield and fruit sampling for analysis were made on 9 plants in the central row. The experimental design considered a mixture of 2 (A+B) and 3 (E+B+Z) different commercial products, of which one with boron and the other with boron and zinc. Following the growers behaviour, foliar fertilizer application was done on the same rows for 1 or more years. The yielding and fruit sampling for analysis were made in the year after treatments. The results show that the production of plants treated with only boron, was lower than the production of the plants treated with boron + zinc. For both kind of treatments, the increase in the number of years of treatment generally increasedthe yielding. In fact the production of the plants treated 2 or 3 years (only boron) or 2 and 4 years (boron + zinc) was significantly higher than the one of the plants treated only 1 year. No kind of treatments and their number was able to modify significantly the qualitative traits of fruit.
机译：不幸的是，在Monferrato地区，销售商向种植者提供了有关榛子果园施肥的建议和技术信息。只是为了检查是否使用一些商业叶面肥及其混合物对榛子果园的生产力和果实品质有帮助，尝试了其中的两种。在这方面，我们考虑模拟种植者在施肥中的行为，显然，还考虑了一些不施肥的行。对于每个论文和测试，我们使用了3个块，每个块3行。在中央行的9棵植物上进行了产量和水果采样分析。实验设计考虑了2种（A + B）和3种（E + B + Z）不同商品的混合物，其中一种含硼，另一种含硼和锌。根据种植者的行为，在同一行上施用叶面肥长达一年或更长时间。处理后的第二年进行了产量和水果抽样分析。结果表明，仅用硼处理的植物的产量低于用硼+锌处理的植物的产量。对于这两种类型的处理，治疗年限的增加通常会提高产量。实际上，处理2年或3年（仅硼）或2年和4年（硼+锌）的植物的产量显着高于仅处理1年的植物之一。没有一种处理方法及其数量能够显着改变水果的质性特征。

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