Journal of Food, Agriculture and Environment

Research of plant production and quality on different farming systems

Author(s):

Eugenija Bakšiene *, Almantas Razukas, Danuta Romanovskaja, Jelena Titova, Liudmila Tripolskaja

Recieved Date: 2014-01-11, Accepted Date: 2014-03-12

Abstract:

The trials were carried out at the Voke Branch of the Lithuanian Research Centre for Agriculture and Forestry during the period 2003-2012. Complex investigations with the aim to explore the impact of extensive (no addition of nitrogen, phosphorus or potassium fertilizers), organic-sustainable (no addition of nitrogen, plants fertilized with bone meal and potash magnesia) and conventional-chemical (plants fertilized with mineral nitrogen, phosphorus and potassium fertilizers, chemical plant protection measures applied) farming systems on plant yielding in short time rotations and the quality of the obtained production were performed. The experiments were conducted in the trial field of 4 treatments, in various crop rotations with the plants which have been grown up for green fertilizer for the soil supply with nitrogen (the main nutritional element of sandy loam soil) without mineral fertilizers. Generalisation of the obtained data showed that different farming systems affected the productivity of different crop rotations. The maximum metabolic energy yield was determined in organic-sustainable (152.3-279.6 MJ kg^-1) and conventional-chemical (221.5-342.3 MJ kg^-1) farming systems after pre-crop of lupine and white radish grown for green manure. Yield of buckwheat and barley was similar and not statistically significant in the extensive and organic-sustainable farming systems. During our study, the falling number was rather low in winter rye grain among the farming systems. In extensive and organic-sustainable farming systems this number was substantially and significantly increased. Higher contents of vitamin C (25.0-27.8 mg kg^-1), crude protein (1.56-1.65%) and starch (16.5-18.0%) were determined in potatoes grown under organic-sustainable farming system. Higher contents of total nitrogen and protein were found in buckwheat grain when it had been grown after pre-crop of lupine and white radish intended for green manure.

Keywords:

Farming systems, plants, green manure, crop rotation, yield, protein, falling number, starch content, vitamin C, quality

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 296-301

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