Effects of Potassium on Yield and Quality in Lettuce

doi:10.3321/j.issn:1000-7091.2006.z1.028

Abstract

Abstract: The field experiment was carried out with different potassium rates on lettuce to study the effect on its yield and quality. Results showed that there was the well-simulated mathematical model between lettuce yield and ptassium rate: Y=-0.0389X²+29.904X+21994, moreover potassium increased Vitamin C content and improved quality, but total calcium in lettuce readuced when potassium inreased. to sum up, the preferable potassium rate was 240 kg/hm².

Key words: Potassium, Lettuce, Yield, Quality

CLC Number:

S636.2

WU Wen-qiang, HE Jian-de, QU Ming-shan, LIU Bin, CUI Liang-man, SHI Wen-xue. Effects of Potassium on Yield and Quality in Lettuce[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(S1): 119-121. doi: 10.3321/j.issn:1000-7091.2006.z1.028.

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