对虾养殖的生物安保技术体系

来源 :第四届中国养虾高手年会暨中国对虾规模养殖者联盟成立大会 | 被引量 : 0次 | 上传用户:soso2009520
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我国是世界上水稻生产大国之一,氮是水稻正常生长发育不可或缺的营养元素,更是限制水稻产量的重要养分因子;锌是水稻生长发育必需的微量矿质营养元素。养分的相互作用是影响作物养分高效利用及产量品质形成的一个重要因素。本实验以两优培九为材料,通过营养液培养,设置两个锌水平和三个氮水平处理,分析氮、锌相互作用对水稻养分吸收、累积与分配的影响。结果表明:(1)在各生育期随着氮水平的增加植株中锌的累积量显著提高。
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