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复肥企业出台夏季政策

中国农资 2015年第14期 14-14页

近期，原料氮磷钾肥市场低迷，复合肥企业纷纷出台夏季高氮肥价格，目前出台的价格较去年同期略低，特别是缓控释肥，降价幅度在100元／吨以上。（28—6—6）山东1800-1900元／吨，湖北、安徽、江苏1750元／吨左右；

关键词：夏季企业市场低迷氮磷钾肥降价幅度复合肥控释肥价格

The Long Term Evolution of Phosphates from the Cambic Chernozem at ARDS Caracal, Romania

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Journal of Life Sciences 2012年第5期6卷 557-562页

作者： Ana Maria Dodocioiu Romulus Mocanu Marian Dobre University of Craiova Craiova 200585 Romania

The decreasing of the plant available phosphorus of Romanian soils after 1990 is a major concern in relation with the lowered yields of the major crops. This fact is correlated with a rudimentary technology where the fertilization is a secondary issue. Thus, the fertilizer consumption, after 1990, has drastically decreased to 41.3 kg/ha NPK on arable land over 129.9 kg/ha in 1986 and from 86.4 kg/ha to 26.3 kg/ha on agricultural land. As a result, the phosphorus fertilizer quantities applied by small farmers are very small or inexistent. In order to determine the soil available phosphorus content in Romania, it was analyzed the evolution of soil phosphorus supplying degree on a cambic chernozem (one of the most fertile soils in Romania) from Agricultural Research and Development Station (ARDS) Caracal between 1986-1992 and 2000-2005. This analysis has shown the following issues: very well supplied soils by available phosphorus no more exist since 2006, the ones with a good supplying degree have decreased from 616 ha to 107 ha, which means from 24.8% to 4.3% yet the low supplied soils have increased from 526 ha to 1,129 ha (23.1% to 45.5%) and the very low supplied ones have increased from 198 ha to 776 ha (7.9% to 31.2%). As a consequence of low fertilizer quantities and the decreasing of the soil supplying degree by available phosphorus the average yield in this farm has decreased from 5,776 to 3,707 kg/ha.

关键词：罗马尼亚磷酸盐土壤速效磷含量演进黑土农作物产量氮磷钾肥农业用地

Determination of Nutrient Uptake Characteristic of Black Pepper （Piper nigrum L.）

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Journal of Agricultural Science and Technology(B) 2012年第10期2卷 1091-1099页

作者： Yap Chin Ann Research and Development Division Malaysian Pepper Board Kuching 93916 Sarawak Malaysia

Effect of Enriched Cattle Manure on Soil Nutrient Status, Nitrogen Uptake and Yield of Tea （Camellia sinensis）

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Journal of Agricultural Science and Technology(A) 2014年第2期4卷 123-128页

作者： Vivian Moroamoche Kekana Isaiah Tabu David Kamau Robert Obura Department of Crops Horticulture and Soils Egerton University Egerton 20115 Kenya Department of Chemistry Tea Research Foundation of Kenya Kericho 20200 Kenya

The Applicability of Soil＇s Fertilizers in Increasing of Production Effects in Lolium Perenne and Lolium Multiflorum Cultivation

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Journal of Life Sciences 2015年第3期9卷 91-94页

作者： Sosnowski Jacek Jankowski Kazimierz Siedlce University of Natural Sciences and Humanities Faculty of Natural Science Institute of Agronomy Siedlce 08-110 Poland

The aim of the study was to determine the effect of soil fertilizers, used on the background of NPK fertilization on the productivity of Lolium perenne and Lolium multiflorum in different time of harvest. In 2012-2013 the following species and varieties of forage grasses: Lolium perenne and Lolium multiflorum were cultivated. It was the fallowing experimental subjects: K-control (without fertilization and fertilizer), NPK (N-150 kg ha-1 as a 34% ammonium nitrate, P-80 kg P2O5 ha-1, K-120 kg K2O ha-1), UG-UGmax bio-preparation, EU-Eco bio-preparation (fertilizer), HA-Humus Active as bio-preparation.

关键词：多花黑麦草土壤肥料栽培生产多年生黑麦草生物制剂氮磷钾肥牧草品种麦草栽培