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首页> 外文期刊>African Journal of Biotechnology >Fruit production and quality of guava Paluma as a function of humic substances and soil mulching
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Fruit production and quality of guava Paluma as a function of humic substances and soil mulching

机译：番石榴果实的产量和品质与腐殖质和土壤覆盖的关系

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摘要

The uses of humic substances and organic residues for soil mulching have been more common during last years. This way, an experiment was carried out to evaluate the fruit quality and yield of guava cv. Paluma as a function of humic substances and organic soil mulching in Brazil. The experiment was performed from January 2012 to June 2013 (first trial) and from July to November 2013 (second trial) using a randomized blocks with treatments distributed in a factorial arrangement (5 × 2 × 2) of five humic substances doses (0, 10, 20, 30 and 40 mL of Humitec plant-1), two organic mulching use (with and without organic mulching) and two consecutive harvests, with four replications of two plants each. Humic substances enhance fruit production more efficiently in guava plants grown without soil mulching. Guava fruit production increases from the first to the second harvest. Fruit quality for titratable acidity, soluble solids, vitamin C and soluble solids/titratable acidity ratio is adequate independently of soil mulching use. Humic substances improve fruit quality of guava cv. Paluma. Under soil and climate conditions, and considering the first two production cycles of guava, it is possible to recommend about 20 mL L-1 of humic substances for production of high quality guava fruits.
机译：在最近几年中，腐殖质和有机残留物在土壤覆盖中的使用更为普遍。这样，进行了一项实验来评估番石榴品种的果实品质和产量。巴西的腐殖质是腐殖质和有机土壤覆盖的函数。该实验是从2012年1月至2013年6月（第一次试验）和从2013年7月至2013年11月（第二次试验）进行的，采用的随机区组以五种腐殖质剂量（0， 10、20、30和40 mL的Humitec plant-1），两次有机覆盖（有和没有有机覆盖）和两次连续收获，每两次重复两次。在没有覆盖土壤的番石榴植物中，腐殖质能更有效地提高果实产量。番石榴果实产量从第一次到第二次收获增加。可滴定酸度，可溶性固形物，维生素C和可溶性固形物/可滴定酸度比率的水果品质足以满足土壤覆盖用途的需要。腐殖质改善了番石榴的果实品质。帕鲁玛在土壤和气候条件下，考虑到番石榴的前两个生产周期，有可能建议使用约20 mL L-1腐殖质用于生产优质番石榴果实。

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