搜索结果: 1-5 共查到“土壤学 value”相关记录5条 . 查询时间(0.127 秒)
Field Determination of the Specific Input Characteristics to Calculate the Value of C Factor of Time-variable Crops for the Revised Universal Soil Loss Equation (RUSLE)
soil erosion by water soil loss RUSLE time-variable characteristics of crops effective root mass canopy cover fall height
2015/1/28
To determine specific characteristics necessary for the computation of the C factor in RUSLE for timevariable crops, measurements were carried out in fields with selected agricultural crops grown by c...
Evaluation of the SPAD Value in Faba Bean (Vicia faba L.) Leaves in Relation to Different Fertilizer Applications
Chlorophyll Faba bean Nitrogen Nutrition Organic materials SPAD-502 meter
2009/7/29
The correlations of the reading of a portable chlorophyll meter (SPAD-502) with the chlorophyll and N contents of leaves of two faba bean (Vicia faba L.) cultivars, Japanese (Ryousai-issun) and Egypti...
IMPROVEMENT OF THE EFFECTIVENESS OF MAIZE (Zea mays L.) FERTILIZATION WITH NITROGEN BY THE APPLICATION OF MAGNESIUM PART II. CONTENT OF NUTRIENTS IN GRAIN AND ITS ENERGETIC VALUE
fertilizer application method magnesium maize cultivar types nitrogen
2009/4/1
Field experiments were carried out at the Didactic and Experimental Farm in Swadzim (52o26’ N; 16o45’ E) near Poznań in the years 2004-2007. The experiment was carried out in a „split-plot” des...
The profit and added value creation and development analysis of agricultural companies in selected regions in Slovakia
agricultural subjects added value profit loss pyramidal decomposition
2014/3/3
in the paper, we deal with the profit or loss creation analysis and with the added value analysis, which is an important factor by profit creation in the companies. We calculate the profit or loss and...
期刊信息
篇名
Calibration of KEC value in acidic red soils with fumigation-extraction method.
语种
英文
撰写或编译
作者
Chen,G. and Z. L. He.
第一作者单位
刊物名称
Pedosphere
页面
12 (1): 33-40 (2002)
出版日期
2002年
月
日
文章标识(ISSN)
相关...