摘要
采用供钾水平较低的赤砂土盆栽试验方法,在施用的硫酸钾镁肥基础上施用不同钾水平,研究钾、镁、硫元素对花生产量、品质及养分累积吸收的影响。结果表明:(1)KMgS配比有利于花生生物产量、提高经济产量,较K1MgS(低钾)配比的花生生物产量增产17.7g盆-1,增幅32.19%;其次为K1MgS,较对照增产12.52g盆-1,增幅22.77%,K2MgS(高钾)处理的花生生物产量较对照增产4.49g盆-1,增幅8.17%;(2)KMgS处理的花生植株含氮、磷、镁量最高,较对照分别增幅26.30%、25.49%、36.27%;(3)花生植株含钾和硫量有随施钾施用量的增加而增加趋势。
Effect of fertilization level of sulphate - potassium magnesium on yield, quality and nutrient accumulation of peanut was studied by pot trial on red sandy soil of low K fertility. The results showed that：（ 1 ）Combined application of KMgS was beneficial to increase peanut production and improve the economic yield. Comparing to the K1MgS （low potassium content）, the peanut biomass increased 17.7 g pots, increasing 32.19%; Followed by K1MgS, in which the peanut biomass increased 12.52 g pots, increasing 22.77%, comparing to the control; In K2MgS, the peanut biomass increased 4.49 g pots, increasing 8.17%, comparing to the control ; （2） In KMgS treatment, peanut plant contained the highest amount of nitrogen, phosphorus, magnesium; comparing to the control, nitrogen, phosphorus and magnesium increased 26.30%, 25.49% and 36.27%, respectively;（3）Peanut plants＇ potassium and sulfur contents had increasing tendency with the increase of notassium magnesium sulfur fertilizer.
出处
《土壤通报》
CAS
CSCD
北大核心
2009年第6期1385-1389,共5页
Chinese Journal of Soil Science
关键词
硫酸钾镁
花生
养分积累
Potassium magnesium sulfate
Peanut
Nutrient accumulation
