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有机营养肥料研究进展 被引量:35
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作者 王华静 吴良欢 陶勤南 《生态环境》 CSCD 2003年第1期110-114,共5页
对几种常用的有机营养肥料(腐殖酸、核酸及其降解物、氨基酸)的生产及其对土壤的作用和生物效应等作了综述,并对有机营养肥料的研究和发展方向及其在未来的生态农业和绿色食品生产中的重要性和应用前景作了展望。
关键词 有机营养肥料 生态农业 绿色食品 土壤
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有机营养液体肥料对压砂西瓜产量和品质的影响 被引量:1
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作者 王芳 赵天成 +1 位作者 李友宏 陈晨 《宁夏农林科技》 2010年第4期4-4,19,共2页
施用有机营养液体肥料可使压砂西瓜产量提高4.0%~41.8%,产值增加1.2~11.9千元/h2m,含糖量提高5.8%~20.5%;同时液体肥料可促使瓜体增大,大瓜率提高了近30%,进一步提高了西瓜的商品率。
关键词 有机营养液体肥料 压砂西瓜 产量 品质
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Pelletized Poultry Litter as a Nutrient Source for Turfgrass Sports Fields
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作者 A. L. Sprinkle D. J. Hansen S. E. White-Hansen 《Journal of Agricultural Science and Technology》 2011年第4期399-411,共13页
Natural organic fertilizers are receiving increased attention as a nutrient source for athletic turf fields. However, the performance of these fertilizers as an alternative to inorganic fertilizers is relatively untes... Natural organic fertilizers are receiving increased attention as a nutrient source for athletic turf fields. However, the performance of these fertilizers as an alternative to inorganic fertilizers is relatively untested. To address this issue, we initiated a study to evaluate turfgrass response to the use of pelletized poultry litter (PPL) as a nutrient source compared to inorganic fertilizer, and to compare core aeration and vibrating aeration. Four treatments were evaluated: synthetic fertilizer with vibrating aeration (VS), synthetic fertilizer with core aeration (CS), PPL with vibrating aeration (VP), and PPL with core aeration (CP). The PPL was applied at a nitrogen (N) rate equivalent to the synthetic fertilizer (assuming 50% availability of N). Application of PPL did not produce significant changes in measured soil parameters during the 2.5 year study compared to the synthetic fertilizer. Minimal differences in tissue concentrations of Mn were observed. Remote sensing indicated that the CS treatment, which is the current management practice at the study site, produced the lowest turfgrass quality of all the treatments. Highest turf quality was achieved with the CP and VS treatments. Application of PPL resulted in greater turfgrass quality when compared to the same N rate of synthetic fertilizer, regardless of aeration method. 展开更多
关键词 TURFGRASS poultry litter natural organic fertilizer organic fertilizer remote sensing
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Dynamics of Soil and Grain Micronutrients as Affected by Long-Term Fertilization in an Aquic Inceptisol 被引量:14
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作者 LI Ben-Yin HUANG Shao-Min +4 位作者 WEI Ming-Bao H. L. ZHANG SHEN A-Lin XU Jian-Ming RUAN Xin-Ling 《Pedosphere》 SCIE CAS CSCD 2010年第6期725-735,共11页
Micronutrient status in soils can be affected by long-term fertilization and intensive cropping.A 19-year experiment (1990-2008) was carried out to investigate the influence of different fertilization regimes on micro... Micronutrient status in soils can be affected by long-term fertilization and intensive cropping.A 19-year experiment (1990-2008) was carried out to investigate the influence of different fertilization regimes on micronutrients in an Aquic Inceptisol and maize and wheat grains in Zhengzhou,China.The results showed that soil total Cu and Zn markedly declined after 19 years with application of N fertilizer alone.Soil total Fe and Mn were significantly increased mainly due to atmospheric deposition.Applications of P and organic fertilizer with incorporation of straws resulted in dramatic increases in soil total Cu,Zn,Fe,and Mn.Soil diethylenetriamine pentaacetic acid (DTPA)-extractable Cu in all treatments sharply decreased from initially 1.12 to about 0.8 mg kg -1 .The treatments with organic fertilizer had the highest soil DTPA-extractable Cu,Zn,Fe,and Mn after 19 years of cropping and fertilization,thus demonstrating the important role of organic fertilizer application in improving available micronutrient status.Cu and Zn contents in wheat grains in the no-P treatments were significantly higher than those of the treatments with P application.In addition,Fe and Mn contents in wheat grains were positively correlated with their soil DTPA-extractable concentrations.These indicated that the long-term application of organic fertilizer resulted in significant increases in soil total and available micronutrient concentrations and remarkable reduction in wheat grain Cu and Zn contents,which was due to high soil available P. 展开更多
关键词 Cu organic fertilizer soil available P WHEAT Zn
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