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幼龄枇杷园套种科杂1号,显著提高土壤肥力,土壤速效P由清耕对照的痕迹增至18.27 mg/kg,全P和速效K分别增加260.0%和183.6%,有机质、全N、全K和速效N的增幅在40%左右;研究还表明,套种提高了枇杷树体营养和促进丰产树冠的形成,叶片N、P、K、Ca、Mg含量均比对照区增加9%以上,冠幅和枝梢数分别增加27.3%和57.7%,枝梢抽穗率提高86.8%,同时,套种对改善果实品质也有一定作用。
The results showed that the soil available P increased from 18.27 mg / kg and the total P and available K increased by 260.0% and 183.6%, respectively. The contents of organic matter, total N and total K and available N increased about 40%. The study also showed that interplanting increased the nutrition of tree body and promoted the formation of high yield canopy. N, P, K, Ca and Mg contents in leaves increased more than 9% The number of shoots and shoots increased by 27.3% and 57.7%, respectively, and the heading rate of shoots increased by 86.8%. In the meantime, interplanting also played a role in improving fruit quality.