Long-term fertilization field experiment Darmstadt (Feld A) from 1981 to 2009 - Plot information (Data collection)

Parent table of “Long-term fertilization field experiment Darmstadt (Feld A) from 1981 to 2009”. This data collection consists of 25 individual tables which are related to each other. General description: In 1980 a fertilization trial started at the Institute for Biodynamic Research in Darmstadt (today Forschungsring e.V.), Germany. The experiment was set up as a strip design with four replicates, the treatments being farmyard manure treatments with and without biodynamic preparations and mineral fertilization, each at various levels. The objective of the project was to study the product quality of vegetables. After this four year project, interesting differences began to emerge with respect to the soil parameters of organic and mineral treatments. Thus the trial was continued. After some years of a transitional period without particular investigations, a detailed soil biological project was carried out in 1989-1991, focusing on the effects of fertilization upon C- and N-dynamics, enzyme activities and microbial biomass in the soil. A third experimental period (from 1992 to 2009) has focused on the yield formation of cultivated crops and the long-term effects of fertilization treatments upon soil and crop development. Further details are given by Raupp and Oltmanns (2006) and Heitkamp et al. (2009).

Raupp J, Oltmanns M (2006) Soil properties, crop yield and quality of farmyard manure with and without biodynamic preparations and with inorganic fertilizers. In: Raupp J, Pekrun C, Oltmanns M, Köpke U (eds) Long-term field experiments in organic farming. ISOFAR Scientific Series, Berlin, pp 135–155
Heitkamp, F., Raupp, J. & Ludwig, B. Impact of fertilizer type and rate on carbon and nitrogen pools in a sandy Cambisol. Plant Soil 319, 259–275 (2009). https://doi.org/10.1007/s11104-008-9868-x

More information, e.g., database scheme, assorted literature overview, the detailed location plan, etc., can be found in the supplemental material.

Dataset version 1.0

"1981年至2009年达姆施塔特长期施肥田间试验（A地块）"的父表。本数据集包含25张相互关联的独立数据表。

概况：1980年，德国达姆施塔特生物动力研究所（现Forschungsring e.V.）启动了一项施肥试验。该试验采用条区设计，设置4次重复，处理组涵盖添加与不添加生物动力制剂的农家肥处理，以及不同梯度的矿物施肥处理。本项目最初的研究目标为探究蔬菜的产品品质。在这项为期四年的项目结束后，有机施肥与矿物施肥处理的土壤参数间逐渐显现出显著差异，因此该试验得以延续。在一段未开展专项研究的过渡时期后，1989年至1991年间，研究团队启动了一项针对土壤生物学的详细研究，重点探究施肥对土壤碳、氮动态、酶活性及微生物生物量的影响。第三阶段试验（1992年至2009年）则聚焦于栽培作物的产量形成，以及施肥处理对土壤与作物生长的长期影响。相关详细信息可参考Raupp与Oltmanns（2006）以及Heitkamp等人（2009）的研究成果。

Raupp J, Oltmanns M（2006） 农家肥添加与不添加生物动力制剂及无机肥处理下的土壤性状、作物产量与品质。收录于：Raupp J, Pekrun C, Oltmanns M, Köpke U 主编. 有机农业长期田间试验. ISOFAR科学系列，柏林，第135–155页
Heitkamp F, Raupp J, Ludwig B（2009） 肥料类型与施用量对砂质雏形土碳氮库的影响. 植物与土壤，319卷，第259–275页. https://doi.org/10.1007/s11104-008-9868-x

更多相关信息，例如数据库架构、综合文献综述、详细点位图等，可参见补充材料。

数据集版本1.0