袁国桂,龙小燕,王正辉,卢其明. 超高硝酸铵负载凝胶态缓释肥的节肥节水效应[J]. 华南农业大学学报, 2009, 30(4). DOI: 10.7671/j.issn.1001-411X.2009.04.004
    引用本文: 袁国桂,龙小燕,王正辉,卢其明. 超高硝酸铵负载凝胶态缓释肥的节肥节水效应[J]. 华南农业大学学报, 2009, 30(4). DOI: 10.7671/j.issn.1001-411X.2009.04.004
    The Effect of Superhigh Ammonium Nitrate Loading Gel-State Slow Release Fertilizer on Fertilizer and Water Saving[J]. Journal of South China Agricultural University, 2009, 30(4). DOI: 10.7671/j.issn.1001-411X.2009.04.004
    Citation: The Effect of Superhigh Ammonium Nitrate Loading Gel-State Slow Release Fertilizer on Fertilizer and Water Saving[J]. Journal of South China Agricultural University, 2009, 30(4). DOI: 10.7671/j.issn.1001-411X.2009.04.004

    超高硝酸铵负载凝胶态缓释肥的节肥节水效应

    The Effect of Superhigh Ammonium Nitrate Loading Gel-State Slow Release Fertilizer on Fertilizer and Water Saving

    • 摘要: 参比通常施肥量进行番茄盆栽试验,以施用普通硝酸铵为对照,研究了硝酸铵负载率为300%的凝胶态缓释肥的节肥节水效应.在硝酸铵和水用量相同的情况下,施用凝胶态肥能使番茄的产量提高82%以上;当硝酸铵用量减少至60%时,番茄的长势和产量与直接施用全量硝酸铵的情况没有显著差异.结果表明,凝胶态肥具有增产和潜在的节肥功效.在硝酸铵用量相同的情况下,施用凝胶态肥,当浇水量减少至80%和60%时,番茄的产量分别提高42.05%和30.39%,说明凝胶态肥具有显著的保水节水功能.

       

    /

    返回文章
    返回