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首页> 外文期刊>Australian Forestry >Refinement of potting medium ingredients for production of high quality seedlings of sandalwood (Santalum album L.)
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Refinement of potting medium ingredients for production of high quality seedlings of sandalwood (Santalum album L.)

机译：精炼用于生产檀香（Santalum album L.）优质苗木的盆栽培养基成分

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摘要

This study was undertaken in order to-refine the potting medium and improve seedling growth of Santalum album L. in root trainers. The potting medium ingredients, including sand, soil, compost, cocopeat, burnt rice husk and charcoal, were tested in fourteen combinations in 270 mL block-type root trainers using Cajanus cajan as a pot host. A medium consisting of sand, soil, compost, burnt rice husk (BRH) and charcoal in the ratio of 25:15:50:5:5 favoured overall seedling growth in terms of height, collar diameter, shoot dry weight, root dry weight, total dry weight, root fibrosity and quality index at age 6 mo. The next best medium was a mixture of sand, soil and compost in the ratio 35:15:50. Where rice husk and charcoal are not available, this second medium may be used to produce good quality seedlings. The best potting medium for sandalwood had up to 60% organic matter mixed with sand and soil. This medium had low bulk density, good aeration and water-holding capacity, encouraged lateral root formation, and ensured good plug formation and easy plug removal. A high proportion of sand, soil or organic matter caused poor seedling growth.
机译：进行这项研究是为了改良盆栽培养基，并改善根系培植者Santalum Album L.的幼苗生长。使用Cajanus cajan作为盆栽宿主，在270 mL块根训练器中以14种组合测试了包括沙子，土壤，堆肥，cocopeat，稻壳和木炭在内的盆栽培养基成分。由沙，土壤，堆肥，稻壳（BRH）和木炭组成的比例为25：15：50：5：5的培养基在高度，衣领直径，枝干重，根干重方面有利于整体幼苗生长，6月龄时的总干重，根纤维和品质指数。次佳的培养基是沙子，土壤和堆肥的混合物，比例为35:15:50。在没有稻壳和木炭的地方，可以使用第二种培养基来生产优质的幼苗。檀香的最佳灌封介质是有机物，其含量高达60％，并与沙子和土壤混合。该介质的堆积密度低，通气性和保水能力强，可促进侧根的​​形成，并确保良好的栓塞形成和易于除去栓塞。高比例的沙子，土壤或有机物导致幼苗生长不良。

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