烟草宜施哪些有机肥料

2025-04-07 10:20:12
推荐回答(1个)
回答1:

  1、有机肥料的施用烟草常用的有机肥料有:堆肥、厩肥、圈肥、绿肥、人畜尿粪、各类油脂的糟粕、腐殖肥以及土杂肥等。

有机肥由于构成肥料的材料不同,即使同名的肥料,其有效养分的含量也千差万别。有机肥料中含有比土壤高得的分解、半分解与末分解的有机物质,含有烟草多种必需的大量与微量营养元素,是一种完全肥料,易被根系吸收。另外,各类油脂粕,在被微生物分解过程中,还产生一些类生长素、抗菌素等具有生理活性的物质,对于促进和保持根系的各种生理活性有良好的作用。有机肥料含有胶体类物质,多孔疏松,在改善和保持土壤良好物理性状方面有明显作用。由于有机肥料既含有一定数量的速效养分,又含有相当数量在土壤中逐步分解才释放出来的养分,具有较高的持续供肥能力。但施用过量时,容易造成供肥后劲过长、过大,使烟叶成熟期供氮水平过高,影响落黄成熟,尤其是土壤有机质含量高,土壤速效氮素释放迟的粘质土壤,要特别注意有机肥料施用不要过量。    

在有机肥施用时,对掺混人畜粪尿的有机肥,不能施用过量,以免造成烟株吸氯过量而影响品质。烤烟施用的有机肥,除了强调要充分腐熟外,在土壤和地下水含氯量高的烟田,尽量避免掺入过多的含氯粪尿。有机肥主要是当做基肥施用,在春季耕翻和起垄时将全部有机肥一次性施完,也有少数地区做追肥施用。我国多数地区的烟田,分布在有机质含量低,土壤物理化学性状不良的贫瘠土地上,施用有机肥料,对于提高和稳定烤烟产量和品质具有重要作用。

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