Journal of Food, Agriculture and Environment

Effects of ecological farming systems and five-year crop rotations on crop productivity and properties of haplic luvisol

Author(s):

Eugenija Bakšienė, Almantas Ražukas, Rita Asakaviciute, Audrius Kacergius, Zita Maknickiene, Danuta Romanovskaja, Jelena Titova, Liudmila Tripolskaja

Recieved Date: 2013-08-10, Accepted Date: 2013-10-20

Abstract:

The investigations were carried out at the Voke Branch of the Lithuanian Research Centre for Agriculture and Forestry during the period 2003-2012 and designed to investigate the influence of organic (without fertilizers), sustainable (the plants were fertilized only with haarmehl pellets as a source of nitrogen; bonemeal as a source of phosphorus and magnesia of potassium as a source of potassium) and chemical (plants were fertilized with synthetic mineral NPK fertilizers) farming systems on crops and to explore their productivity, chemical properties of soil and balance of nutrients in the soil. Soil agrochemical parameters before the experiment were following: pH_KCl 5.9, P 70-92 and K 142-165 mg kg^-1 and organic carbon 0.79-0.84%. Productivity of plant rotations depended to the cultivated plants and the applied farming system. The highest yield was recorded cultivating plants after green manure (lupines and white mustard) in two farming systems. Crop rotations had no effect to the soil acidity and increased total nitrogen and organic carbon content in the soil. Phosphorus amount in the soil increased in all farming systems, potassium only in sustainable farming system.

Keywords:

Farming systems, productivity, balance, soil properties

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 1137-1142

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