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引种栽植苹果无病毒苗应注意哪些问题答山西芮城读者吕军子苹果无病毒苗木较常规苗生长迅速、整齐，成形快；根系发达，对肥水利用率高，有较强的抗逆性和适应性；树势健壮，有较高的生产能力，能明显提高果品的产量和质量。因此无病毒化栽培是目前苹果生产发展的方向。你...
Introduction and planting of apple virus-free seedlings should pay attention to what the problem Anshan City Rui City reader Lv Junzi Apple virus-free seedlings grow faster than conventional seedlings, neat, fast forming; developed root system, fertilizer and water utilization rate, strong resistance and adaptability ; Strong tree vigor, high production capacity, can significantly improve the yield and quality of fruit. Therefore, virus-free cultivation is currently the direction of apple production and development. you...