《Table 4 The comparison of investment in constructing high density orchard and ordinary orchard》

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《A Comparative Experimental Research on the Traditional Cultivation Technology and Intensive Cultivation Technology of Olea europaea》

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The construction investment analysis results of the high density orchard and ordinary orchard can be seen in Table 4.As can be seen from Table 4，the land preparation requirement was not high in the ordinary orchard，and the principle of building the orchard following the topography was generally taken.The main workload of land preparation was to level the surface and dig planting holes.The high density orchard should take the whole site preparation，and the tillage depth was 1.2 m.The ridges and furrows were made flat to meet the operation needs of farming machinery，fruit picking machinery and transport machinery in the orchard.In general，the cost of land preparation in the high density orchard was 6.24 times the cost of land preparation in the ordinary orchard.There was a need to establish a fixed frame，and due to different materials，the frame cost was generally 22 500to 75 000 yuan/ha.The application rate of fertilizers and pesticides also increased，because the number of olive trees planted in the high density orchard was 5 times the number of olive trees planted in the ordinary orchard.