搜索结果: 1-6 共查到“农学总论 sulphur”相关记录6条 . 查询时间(0.04 秒)
The effect of sulphur fertilization on yield, quality of protein and baking properties of winter wheat
winter wheat sulphur fertilization protein amino acids baking quality
2010/1/15
The present paper is based on the data of field and production trials conducted in the years 2004–2007. The trials were carried out in North-Estonia (59° 18’ N, 24° 39’ E) on breakstony soil and in So...
Dehydrogenase activity of technogenic soils of former sulphur mines (Yavoriv and Nemyriv, Ukraine)
technogenic soil former sulphur mine soil dehydrogenase activity
2008/11/21
The dehydrogenase activity (an index of the total soil biological activity), sulphur content, pH and Corg were determined in technogenic soils of the former (1954-1994) sulphur mines in Ukraine (open ...
Direct and Residual Effect of Sulphur on Growth, Nutrient Uptake, Yield and its Use Efficiency in Maize and Subsequent Greengram
Sulphur yield attributes yield of maize nutrient uptake S use efficiency value cost ratio
2010/11/11
Field experiments were conducted with maize and green gram in sandy clay loam soils of
Thondamuthur block of Coimbatore district to study the direct and residual effect of S application on growth, nu...
Effect of Ammonium Sulphate and Agricultural Sulphur on the Artichoke Plant Growth, Heads Yield and its Some Physical and Chemical Properties
Artichoke Ammonium sulphate sulphur growth heads yield
2010/11/9
Two field experiments were carried out during the two successive seasons of 2004/2005 and
2005/2006 in the newly reclaimed soil to investigate the response of artichoke plant for different fertilizat...
Sources of acidity and metals in a stream draining acid sulphate soil, till and peat, western Finland, revealed by a hydrochemical and sulphur isotope study
acid sulphate soil alkali metals alkaline earth metals sulphur ditching sulphur isotopes land use catchment area
2010/8/11
The main aim of this study was to determine, during extreme hydrological conditions, the source(s) of acids, sulphate and metals (alkali and alkaline earths) in the Munsala stream (western Finland) dr...
Concentration levels and spatial distribution of sulphur and metals in fine-grained sediments in western Finland
sulphur transition metals acid sulphate soil Holocene sediments metal leaching soil acidification
2010/8/11
On the coastal plains of Finland, widespread Holocene marine and lacustrine sediments have developed into acid sulphate soil as a result of extensive artificial drainage for agricultural purposes. Thi...