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当前位置: 首页 > 文章 > 施用不同钙肥防治红黄壤区花生空秕的效果研究 江西农业学报 2007,19 (8) 95-97
Position: Home > Articles > Effect of Different Kinds of Calcium Fertilizer on Preventing Empty Shell of Peanut Planted in Red-yellow Soil Acta Agriculturae Jiangxi 2007,19 (8) 95-97

施用不同钙肥防治红黄壤区花生空秕的效果研究

作  者：
周恩生
单  位：
福建省平潭县土肥站
关键词：
红黄壤;钙肥;花生;空秕;效果
摘  要：
将壳灰、石膏、贝壳粉3种钙肥按等价量进行田间试验。结果表明:施用3种钙肥能使花生空秕率由49.21%降低到6.10%~1.96%,提高产量22.9%~48.3%,产量y与施钙量x呈现二次曲线模型,其回归方程为:y=135.74+4.8828x-0.0822x2。灰色关联分析表明,施钙量与土壤有机质、pH的关联度最大,分别为0.8474、0.7711,施钙能使土壤肥力有所提高,其中壳灰和贝壳粉还能提高土壤pH值,增产率也比石膏处理的高。从667m2的经济效益来看,贝壳粉处理的纯效益最高,比不施钙增收180.1元。
译  名：
Effect of Different Kinds of Calcium Fertilizer on Preventing Empty Shell of Peanut Planted in Red-yellow Soil
作  者：
ZHOU En-sheng (Soil and Fertilizer Extension Station of Pingtan County,Fujian Province,Pingtan 350400,China)
关键词：
Red-yellow soil;Calcium fertilizer;Peanut;Empty shell
摘  要：
Three kinds of calcium fertilizer including quicklime,gypsum and shell-lime were chosen under the same cost of fertilizer in the field experiment.Results showed that: these 3 kinds of calcium fertilizers were able to reduce the percentage of empty shell of peanut from 49.21% to 6.10%~1.96%,and increase the yield by 22.9%~48.3%.And the regression equation of yield y and rate of applying calcium x was y =135.74 + 4.8828x-0.0822x2.Results of grey correlation analysis showed that the degrees of relationship between application rate of calcium and soil organic matter,pH-value were the highest,and the values of relationship were 0.8474 and 0.7711,respectively.Soil fertility could be improved by applying calcium fertilizers,applying quicklime and shell-lime could increase the soil pH and increase the yield of peanut,and the effect was better than that of applying gypsum.Finally,the economic benefit of applying shell-lime was better than that of applying other two kinds of calcium fertilizers,it could increase 180.1 yuan per 667m2 as compared with no applying calcium fertilizer.

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