MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_NextPart_01CBDE7B.CA92C0B0" 此文档为“单个文件网页”,也称为“Web 档案”文件。如果您看到此消息,但是您的浏览器或编辑器不支持“Web 档案”文件。请下载支持“Web 档案”的浏览器,如 Windows? Internet Explorer?。 ------=_NextPart_01CBDE7B.CA92C0B0 Content-Location: file:///C:/B1341E43/doc.htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii" 2021-2027年中国磷酸二铵行业深度分析与发展趋势研究报告

2021-2027年中国磷酸二铵行业深度分析与发展趋势研究报告 =

报告目&= #24405;及图表目录

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智研数据研究中心 &#= 32534;制


一、 报&= #21578;报价

2021-2027年中国磷酸二铵行业深度分析与发展趋势研究报告信息及时,资料详&#= 23454;,指导性强,具有?= 20;家,独到,独特的优= 势。旨在帮助客户掌= 5569;区域经济趋势,获?= 1;优质客户信息,准确&= #12289;全面、迅速了解目= 069;行业发展动向,从而= ;提升工作效率和效果&#= 65292;是把握企业战略发ì= 37;定位不可或缺的重要= 决策依据。 =

报告详细#= 775;问地址://www.compuke.net/b/huagong/M93271V1AW.html

产品?= 5;格:印刷版:RMB 9800 电子版:RMB 9800 印刷版+电子版:RMB 10000 <= /o:p>

全国?= 9;一客服电话:400-600-8596= (免长话费)010-80993963

Email:sales@abaogao.com

联系?= 4;:刘老师谭老师陈老师 =

报= ;告说明、目录及图表&#= 30446;录详见第二部分。 =


二、 说&= #26126;、目录、图表目录

磷酸二铵,是指标准产品含N18%,P2O548%,结晶形状为平斜棱晶,25C水中溶解度为71%,其饱和溶液的pH达到8,比磷酸一铵高得多。将磷矿粉在过量的NH,F溶液、pH67、温度为100度:条件下进行反应,可制得磷酸二铵。但一般工厂采用的是美国田纳西流域管理局(TVA)开发的工艺流程,即采用氨中和混合磷酸(含P2a30%和54%两种浓度的磷酸混合),将氨与磷酸分子比控制在1.4左右预中和,继续控制氨与磷酸分子比为2,通入氨蒸气并使溶液pH保持在7.5以上来制取磷酸二铵。由于磷酸二铵饱和溶液为碱性,施在酸性土壤上可以减少铁铝对磷的固定,使磷保持较高的有效性,故提倡磷酸二铵用在酸性土壤上。

产品主要成分:(NH4)2HPO4
作物名称
施 肥 方 法
施肥效果
小 麦
基肥40-50斤/亩;苗期、分蘖期追施15-20斤/亩,配施尿素10—15斤/亩
壮苗、抗旱、抗倒伏、增加穗数、籽粒饱满
水 稻
基肥40-50斤/亩;分蘖期追施10-15斤/亩,配施尿素10-15斤/亩
促进分蘖、防止烂根、增加穗数、穗粒数、籽粒饱满
玉 米
基肥35-45斤/亩;苗期、拔节期追施20-25斤/亩,配施尿素15-20斤/亩
壮苗、抗旱、抗倒伏、增加玉米棒数、籽粒饱满
棉 花
基肥40-50斤/亩;苗期、蕾铃期追施10-15斤/亩,配施尿素20斤/亩
增加单株铃数、减少蕾铃脱落、改善棉花纤维品质
花 生
撒施20-30斤/亩作基肥,开花期、花针期追施10-15斤/亩
增加单株荚果数、壮籽、改 善品质
大 豆
撒施30-35斤/亩作基肥;开花期、结荚期追施10—20斤/亩
增加单株荚果数、壮籽
高 梁
基肥40-60斤/亩;苗期追施尿素20斤/亩
壮籽、增加穗粒数
土 豆
基肥40-50斤/亩;现蕾期追施20-25斤/亩
个大、淀粉含量高
瓜果类蔬菜
基肥50-60斤/亩,追施尿素20-30斤/亩,分两次施用
减少病虫害,提高产量
叶菜类蔬菜
撒施50-60斤/亩作基肥,追施尿素20-30斤/亩,分两次施用
叶绿、棵大、产量高
西 瓜
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