向日葵钾肥施用效果探讨  

Effect of Potassium Fertiliser on Sunflower

作　　者：朱学文[1] 佟淑华 李树强 邢桂玲[3] 

机构地区：[1]长岭县农业技术推广中心,长岭131500 [2]吉林省种子公司,长春130062 [3]吉林农业大学,长春130118

出　　处：《吉林农业大学学报》1994年第A12期113-116,共4页Journal of Jilin Agricultural University

摘　　要：本文通过3年的田间试验,研究了向日葵施钾肥的增产效果。结果表明,在长岭县石灰性土壤条件下施用钾肥增产效果明显。施钾量(K2O)以 150kg/hm2为宜,N∶P2O5∶K2O应为1∶0.5∶1。Effect of potassium ferlilizer on the grain yield of sunflower were studied for 3 years. Results showed that application of potassium fertilizer can significantly increase grain yield under the calcarious soil conditions of Changling county. The best rate of potassium (K2O) was 150 kg/hm2, the proportion of N: P2O5 :K2O was 1: 0. 5 : 1

关 键 词：向日葵 钾肥 产量 

分 类 号：S565.506.2[农业科学—作物学]