论文部分内容阅读
为了测试石家庄市河欣植物保健品公司生产的禾欣液肥肥效，１９９８年卢龙县农业局在卢大岭店村对甘薯进行了叶面喷施示范。试验田分别于８月５日、８月１５日、８月３０日连喷３次５００倍禾欣液肥，以不喷为对照，其它管理措施相同，第处理面积的６６７重复３次。试验结果
In order to test Hexin plant health products company Shijiazhuang Hexin fertilizer production efficiency, in 1998 Lulong County Bureau of Agriculture in Lu Daling shop on the sweet potato foliar demonstration. Experimental fields were sprayed with 500 times of Wo Xin liquid fertilizer three times on August 5, August 15 and August 30, respectively, so as not to be sprayed as a control. The other management measures were the same. The area of 667 was repeated 3 times. test results