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OCENA SKŁADU NAWOZÓW NATURALNYCH W WYBRANYCH GOSPODARSTWACH ROLNYCH Z PÓŁNOCNEGO MAZOWSZA

100%
Pietrzak S., Fila J.
Zagadnienia Doradztwa Rolniczego
|
2016
|
issue 3(85)
87-96
EN
The paper presents evaluation results of determination the composition of natural fertilizers used in farms from the north Mazovia, treating these results as an important carrier of information for the development of research and an advisory. It was found in particular that values determined in the laboratory macronutrients in natural fertilizers were varied according to their origin and type, as well as within their different groups. The content of analyzed components in natural fertilizers and their dry weight was strongly correlated with each other. On the basis of achieved results the following needs were identified a) develop an objective classification of natural fertilizers based on the contents of its dry matter b) investigating alternative or simplified methods of assessing the composition of natural fertilizers c) marking total nitrogen and its mineral forms mainly ammonium nitrogen as a part of standard procedures within natural fertilizers tests.
2
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KSZTAŁTOWANIE SIĘ ODCZYNU ORAZ ZASOBNOŚCI GLEB W WYBRANYCH GOSPODARSTWACH WOJEWÓDZTWA MAZOWIECKIEGO I POMORSKIEGO

81%
Pietrzak S., Fila J., Radtke K.
Zagadnienia Doradztwa Rolniczego
|
2017
|
issue 1(87)
79-88
EN
The paper presents the results of research on soil reaction and their abundance of phosphorus, potassium and magnesium, conducted in 2013 in 50 farms situated in Pomorskie and Mazowieckie voivodeships. The study shows that the soil of agricultural land of these farms were largely characterized by inadequate state due to level of acidity and the content of macronutrients. It was found that exist great possibilities of optimizing the plant production by improving soil properties in the range of evaluated indicators.
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