[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"session-user":3,"news-1000000000000000618":4,"\u002Fapi\u002Fnews\u002Flist?categoryId=1000000000000000024&orderByColumn=publishTime&isAsc=desc&pageSize=5":16},null,{"id":5,"articleNo":6,"categoryId":7,"categoryName":8,"title":9,"content":10,"publishTime":11,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":13,"collectCount":14,"updateTime":11,"contentHtml":15},"1000000000000000618","654","1000000000000000024","报告资料","农作物缺素图谱大全","**作物生长中，由于施肥不均，或者土壤中营养元素的不均衡，均会导致某些元素的缺少或者过量，此外各元素之间的相互作用，也会影响到元素的吸收和平衡，都会造成作物外在的各种缺素现象。有时候缺素极容易和病毒病等混淆，如果认识不清，盲目用药，得不偿失。**\n\n**植物缺氮实例：**![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F090329cd373e37acc6d2bb7ec38acdb8.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7d1a90f7a9bd16b0c0cc85077b2d0bb3.png)\n\n**磷(P)的生理作用：磷对细胞分裂和开花结实起重要作用。对提高抗逆性(抗病、抗寒、抗旱)有良好作用。促进根系发育，特别是促进侧根和细根的生长。加速花芽分化，提早开花和成熟。**\n\n **植物缺磷症状：植株生长发育受阻，分枝少，矮小，叶片出现暗绿色或紫红色斑点，茎杆呈紫红色，失去光泽。**\n\n **植物缺磷实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F56e5441cb06912c9648dd2106039c01b.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F5a384e2a9869b846ab678a2d478adffb.png)\n\n **钾(K)的生理作用：在植物体内的含量超过P，高产作物中还超过N，主要以离子状态存在，是生物体内很多酶(60多种)的活化剂，是构成细胞渗透势的重要成分,调节气孔的开闭，促进光合磷酸化，促进同化物的运输。**\n\n **植物缺钾症状：叶尖或叶缘发黄，变褐、焦枯似灼烧状，叶片上出现褐色斑点或斑块，但主脉附近仍为绿色。**\n\n **植物缺钾实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F4afffbb628f42c29ee3ab010cb8a419b.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F31c7c6295df2bcc2a6cab6927237133a.png)\n\n **钙(Ca)的生理作用：钙是细胞壁胞间层果胶钙的成分;与细胞分裂有关;稳定生物膜的功能;可与有机酸结合为不溶性的钙盐而解除有机酸积累过多时对植物的危害;少数酶的活化剂。**\n\n **植物缺钙症状：顶芽、侧芽、根尖等分生组织易腐烂死亡，叶尖弯钩状，并相互粘连，干烧心、筋腐、脐腐等。**\n\n **植物缺钙实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fae8f96d99396319a0a6c1f0b05d95080.png)![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7fa7aeb91db6d05b4d4be80f6a63c479.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fbdcf6f9b98b5545eb4f25002cc0e0bfc.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F62da1154a423ed5988b9424a3ba38497.png)\n\n**\n\n**硼(B)的生理作用：硼是影响生殖器官发育，影响作物体内细胞的伸长和分裂,对开花结实有重要作用。**\n\n **植物缺硼症状：顶端停止生长并逐渐死亡，根系不发达，叶色变绿，叶片肥厚，皱缩，植株矮化，茎及叶柄易开裂，脆而粗，花发育不全，花而不实，蕾花易脱落。**\n\n **植物缺硼实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa571e4123a52cea8ba03d6dfc5629783.png)\n\n**铁(Fe)的生理作用：是细胞色素、血红素、铁氧还蛋白及多种酶的重要组分，在植物体内起传递电子的作用，是叶绿素合成中必不可少的物质。**\n\n **植物缺铁症状：在植物体内不易移动，缺铁时首先表现在幼叶上。表现为脉间失绿，严重时整个幼叶呈黄白色，缺铁常在高PH土壤中发生。**\n\n **植物缺铁实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa058678f8be7be48537a67d36d4f9eb9.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F37f97e9d3e9066ac500ec7689350c38b.png)\n\n**锌(Zn)的生理作用：是多种酶的组分和活化剂，已发现80多种含锌酶，参与生长素的合成。**\n\n **植物缺锌症状: 老组织先出现缺锌时生长素含量下降，植物生长受阻，节间缩短,叶片扩展受抑制，表现为小叶簇生，称为小叶病或簇叶病。玉米缺锌出现白条症。**\n\n **植物缺锌实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa6c52c3c0f30cf59654a55c5c06c6f2f.png)**镁(Mg)的生理作用：是叶绿素的重要组分，是多种酶的活化剂,在光合作用中具有重要的作用。**\n\n**\n\n **植物缺镁症状：Mg在植物体内易移动，缺镁时首先在老叶表现症状。老叶发生脉间失绿，叶脉保持绿色，形成清晰的绿色网状脉纹(禾本科缺镁时表现为脉间呈条纹状失绿)，以后失绿部分由淡绿色转变为黄色或白色。**\n\n **植物缺镁实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fd3a37b84f8636bbeb83bcdda988c3a00.png)\n\n**锰(Mn)的生理作用：锰是叶绿体的成分，促进种子发育和幼苗早期生长，对光合作用和蛋白质的形成有重要作用。**\n\n **植物缺锰症状：症状从新叶开始，叶片脉间失绿，叶脉仍为绿色，叶片上出现褐色或灰色斑点，逐渐连成条状，严重时叶色失绿并坏死。**\n\n **植物缺锰实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F86be85c4664b9f60b418e918aeb1fee3.png)\n\n**钼(Mo)的生理作用：是需要量最少的必需元素。MoO42-是硝酸还原酶、固氮酶的组成成分;是黄嘌吟脱氢酶及脱落酸合成中的某些氧化酶的成分，豆科植物根瘤菌的固氮特别需要钼,固氮酶是由铁蛋白和铁钼蛋白组成的。**\n\n **植物缺钼症状：新叶畸形，有斑点。散布于叶片上。生长不良，植株矮小，豆科植物缺钼会影响固氮，荚粒不饱满。**\n\n **植物缺钼实例：**\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F50fee5794867b2b4a18405e15b7812fd.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F845ebe0ed09ac204012304d36770a58c.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F021c32c980a9861f9e0fbb121bc55976.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ffafa06718d90d9f2e4855bd337e0a4ad.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fc16541ce1e6d5f6757b5ab7546144c8e.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F411f3b92f0bb6c67c88a0b95fc40f792.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ffb25ea3b2515626934b010583d0ad555.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F9e9daff755e9b863e9d20395854c6e85.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fcfc03ac1c8b10672035254476a284b79.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F359c4c062652b73fd5ae18d9283aeedd.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F202bdd39b3ad4118af3e4ee3438c06b9.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F5c9b3e478fd670adcc090254c8f6aeb2.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa21a9b858bd15f857c8cdf4007e8b848.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F0f56afa6f22474bea9e5a06ff40bc01f.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F9041c7a414b024cd54dc25bd07090149.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F1f2b3513ac7ff7e054005d3ebe5136e3.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ff46f379c971e364c0aef45b083498997.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F802e6edd7538d56d003ae24c48c8577b.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F860fa0beb793cac5229c72ab61d864e1.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ff036cd163f4d694011d7748d7058dcc6.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fcf1f51898f99ae0e51d9b2d528f564c8.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7066b425a53e3612bd10dc1e61a2dec9.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fef724f92c0487576c315f9d5e8852a06.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F311116bd1d503b9006e6e671d7d52914.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fe876b64aef1842363ee6233d19ad74ef.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F24eb0ccab9f7c99e6dbccdb0bf3a5051.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ff399e35e92d164f944b51c112f1d1a49.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7e945fdb1f7f20a6e127ffeff4d1b811.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F6fcdc309b0d0e6b0298b23b9b3b7ab44.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F3fb2eddf2e513395fc8d5fde5eef88c1.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F2d40b20bb563e3dc9449cfef762aada8.png)\n\n![](https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fc66d29ce7d2db2709410bb19fc48d83e.png)","2021-12-22T18:11:46+08:00","N",1492,0,"\u003Cp>\u003Cstrong>作物生长中，由于施肥不均，或者土壤中营养元素的不均衡，均会导致某些元素的缺少或者过量，此外各元素之间的相互作用，也会影响到元素的吸收和平衡，都会造成作物外在的各种缺素现象。有时候缺素极容易和病毒病等混淆，如果认识不清，盲目用药，得不偿失。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺氮实例：\u003C\u002Fstrong>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F090329cd373e37acc6d2bb7ec38acdb8.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7d1a90f7a9bd16b0c0cc85077b2d0bb3.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>磷(P)的生理作用：磷对细胞分裂和开花结实起重要作用。对提高抗逆性(抗病、抗寒、抗旱)有良好作用。促进根系发育，特别是促进侧根和细根的生长。加速花芽分化，提早开花和成熟。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺磷症状：植株生长发育受阻，分枝少，矮小，叶片出现暗绿色或紫红色斑点，茎杆呈紫红色，失去光泽。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺磷实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F56e5441cb06912c9648dd2106039c01b.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F5a384e2a9869b846ab678a2d478adffb.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>钾(K)的生理作用：在植物体内的含量超过P，高产作物中还超过N，主要以离子状态存在，是生物体内很多酶(60多种)的活化剂，是构成细胞渗透势的重要成分,调节气孔的开闭，促进光合磷酸化，促进同化物的运输。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺钾症状：叶尖或叶缘发黄，变褐、焦枯似灼烧状，叶片上出现褐色斑点或斑块，但主脉附近仍为绿色。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺钾实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F4afffbb628f42c29ee3ab010cb8a419b.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F31c7c6295df2bcc2a6cab6927237133a.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>钙(Ca)的生理作用：钙是细胞壁胞间层果胶钙的成分;与细胞分裂有关;稳定生物膜的功能;可与有机酸结合为不溶性的钙盐而解除有机酸积累过多时对植物的危害;少数酶的活化剂。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺钙症状：顶芽、侧芽、根尖等分生组织易腐烂死亡，叶尖弯钩状，并相互粘连，干烧心、筋腐、脐腐等。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺钙实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fae8f96d99396319a0a6c1f0b05d95080.png\" alt=\"\">\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7fa7aeb91db6d05b4d4be80f6a63c479.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fbdcf6f9b98b5545eb4f25002cc0e0bfc.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F62da1154a423ed5988b9424a3ba38497.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>**\u003C\u002Fp>\n\u003Cp>\u003Cstrong>硼(B)的生理作用：硼是影响生殖器官发育，影响作物体内细胞的伸长和分裂,对开花结实有重要作用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺硼症状：顶端停止生长并逐渐死亡，根系不发达，叶色变绿，叶片肥厚，皱缩，植株矮化，茎及叶柄易开裂，脆而粗，花发育不全，花而不实，蕾花易脱落。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺硼实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa571e4123a52cea8ba03d6dfc5629783.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>铁(Fe)的生理作用：是细胞色素、血红素、铁氧还蛋白及多种酶的重要组分，在植物体内起传递电子的作用，是叶绿素合成中必不可少的物质。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺铁症状：在植物体内不易移动，缺铁时首先表现在幼叶上。表现为脉间失绿，严重时整个幼叶呈黄白色，缺铁常在高PH土壤中发生。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺铁实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa058678f8be7be48537a67d36d4f9eb9.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F37f97e9d3e9066ac500ec7689350c38b.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>锌(Zn)的生理作用：是多种酶的组分和活化剂，已发现80多种含锌酶，参与生长素的合成。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺锌症状: 老组织先出现缺锌时生长素含量下降，植物生长受阻，节间缩短,叶片扩展受抑制，表现为小叶簇生，称为小叶病或簇叶病。玉米缺锌出现白条症。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺锌实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa6c52c3c0f30cf59654a55c5c06c6f2f.png\" alt=\"\">\u003Cstrong>镁(Mg)的生理作用：是叶绿素的重要组分，是多种酶的活化剂,在光合作用中具有重要的作用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>**\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺镁症状：Mg在植物体内易移动，缺镁时首先在老叶表现症状。老叶发生脉间失绿，叶脉保持绿色，形成清晰的绿色网状脉纹(禾本科缺镁时表现为脉间呈条纹状失绿)，以后失绿部分由淡绿色转变为黄色或白色。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺镁实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fd3a37b84f8636bbeb83bcdda988c3a00.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>锰(Mn)的生理作用：锰是叶绿体的成分，促进种子发育和幼苗早期生长，对光合作用和蛋白质的形成有重要作用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺锰症状：症状从新叶开始，叶片脉间失绿，叶脉仍为绿色，叶片上出现褐色或灰色斑点，逐渐连成条状，严重时叶色失绿并坏死。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺锰实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F86be85c4664b9f60b418e918aeb1fee3.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cstrong>钼(Mo)的生理作用：是需要量最少的必需元素。MoO42-是硝酸还原酶、固氮酶的组成成分;是黄嘌吟脱氢酶及脱落酸合成中的某些氧化酶的成分，豆科植物根瘤菌的固氮特别需要钼,固氮酶是由铁蛋白和铁钼蛋白组成的。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺钼症状：新叶畸形，有斑点。散布于叶片上。生长不良，植株矮小，豆科植物缺钼会影响固氮，荚粒不饱满。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>植物缺钼实例：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F50fee5794867b2b4a18405e15b7812fd.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F845ebe0ed09ac204012304d36770a58c.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F021c32c980a9861f9e0fbb121bc55976.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ffafa06718d90d9f2e4855bd337e0a4ad.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fc16541ce1e6d5f6757b5ab7546144c8e.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F411f3b92f0bb6c67c88a0b95fc40f792.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ffb25ea3b2515626934b010583d0ad555.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F9e9daff755e9b863e9d20395854c6e85.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fcfc03ac1c8b10672035254476a284b79.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F359c4c062652b73fd5ae18d9283aeedd.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F202bdd39b3ad4118af3e4ee3438c06b9.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F5c9b3e478fd670adcc090254c8f6aeb2.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fa21a9b858bd15f857c8cdf4007e8b848.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F0f56afa6f22474bea9e5a06ff40bc01f.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F9041c7a414b024cd54dc25bd07090149.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F1f2b3513ac7ff7e054005d3ebe5136e3.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ff46f379c971e364c0aef45b083498997.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F802e6edd7538d56d003ae24c48c8577b.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F860fa0beb793cac5229c72ab61d864e1.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ff036cd163f4d694011d7748d7058dcc6.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fcf1f51898f99ae0e51d9b2d528f564c8.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7066b425a53e3612bd10dc1e61a2dec9.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fef724f92c0487576c315f9d5e8852a06.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F311116bd1d503b9006e6e671d7d52914.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fe876b64aef1842363ee6233d19ad74ef.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F24eb0ccab9f7c99e6dbccdb0bf3a5051.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Ff399e35e92d164f944b51c112f1d1a49.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F7e945fdb1f7f20a6e127ffeff4d1b811.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F6fcdc309b0d0e6b0298b23b9b3b7ab44.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F3fb2eddf2e513395fc8d5fde5eef88c1.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002F2d40b20bb563e3dc9449cfef762aada8.png\" alt=\"\">\u003C\u002Fp>\n\u003Cp>\u003Cimg src=\"https:\u002F\u002Ffile.sinosite.com.cn\u002Fsinosite-file\u002Fnews\u002Fold\u002F20211222\u002Fc66d29ce7d2db2709410bb19fc48d83e.png\" alt=\"\">\u003C\u002Fp>\n",{"items":17,"total":49,"pageNum":50,"pageSize":51},[18,24,30,37,43],{"id":19,"articleNo":20,"categoryId":7,"categoryName":8,"title":21,"publishTime":22,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":23,"collectCount":14,"updateTime":22},"1000000000000001141","74385","一图读懂 | 中国持久性有机污染物控制（2004-2024年）","2024-05-18T23:03:36+08:00",1421,{"id":25,"articleNo":26,"categoryId":7,"categoryName":8,"title":27,"publishTime":28,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":29,"collectCount":14,"updateTime":28},"1000000000000001138","74382","专家解读 | 深入打好净土保卫战的新阶段","2024-05-09T16:28:47+08:00",1101,{"id":31,"articleNo":32,"categoryId":7,"categoryName":8,"title":33,"publishTime":34,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":35,"collectCount":14,"updateTime":36},"1000000000000001128","74372","生态环境部召开生态环境监测工作会议","2024-04-13T23:23:53+08:00",1431,"2024-04-22T20:19:06+08:00",{"id":38,"articleNo":39,"categoryId":7,"categoryName":8,"title":40,"publishTime":41,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":42,"collectCount":14,"updateTime":41},"1000000000000001125","74369","土壤污染状况调查之采样方案的上传","2024-04-12T21:15:55+08:00",1801,{"id":44,"articleNo":45,"categoryId":7,"categoryName":8,"title":46,"publishTime":47,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":48,"collectCount":14,"updateTime":47},"1000000000000001123","74367","使用surfer绘制地下水流场图","2024-04-12T19:53:44+08:00",6813,137,1,5]