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Publication Date

1981

Description

Hydromorphic and alkaline hydromorphic soils are heavy and unsuitable for the growing of row crops. Their poor structure and water and air properties make cultivation expensive. The establishment of cultivated grassland for production of fodder for 4 or 5 years requires less expenditure than that necessary for the production of row crops. Four years of experiments, conducted on hydromorphic and alkaline hydromorphic soils, included four grass cultivars and three legume cultivars. Yields, chemical composition and physical properties of hay, and soil properties were examined. The results indicated that cultivating grasses for the production of fodder is a good use of swampy areas. Dactylis glomerata L., Arrhenatherum elatius L., with Medicago sativa L. and Lotus comiculatus L., resulted in the best pei:-formance. Festuca pratensis Huds. and especially L. comiculatus L. responded best to the occurrence of surface water for periods of 4 to 6 weeks. Birdsfoot trefoil was the most resistant to drought. Average annual hay yields were 8,100-8,989 metric tons (t)/ha on hydromorphic soil and 9,720-10,420 t/ha on alkaline hydromorphic soil. The highest yields on the two soils were 12,620 and 13,270 t/ha, respec­tively. The overall average was 10,933 t/ha. Cultivated grasses improve the physical and chemical properties of the examined soil types, especially their structure and water-air properties, assuring a more successful cultivation of row crops in rotation. Cultivated grasses are a form of long-term land use. They regenerate well, as we confirmed by obtaining three or four cuttings of excellent fodder yearly with crude-protein content of 16% to 17% and good digestibility. Cultivating grasses on hydromorphic and alkaline hydromorphic soils not only assures the production of fodder and improves physical-chemical soil properties but also is an important factor in improving human environment.

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Utilization of Hydromorphic and Alkaline Hydromorphic Soils in SAP Vojvodina by Establishing Cultivated Grassland

Hydromorphic and alkaline hydromorphic soils are heavy and unsuitable for the growing of row crops. Their poor structure and water and air properties make cultivation expensive. The establishment of cultivated grassland for production of fodder for 4 or 5 years requires less expenditure than that necessary for the production of row crops. Four years of experiments, conducted on hydromorphic and alkaline hydromorphic soils, included four grass cultivars and three legume cultivars. Yields, chemical composition and physical properties of hay, and soil properties were examined. The results indicated that cultivating grasses for the production of fodder is a good use of swampy areas. Dactylis glomerata L., Arrhenatherum elatius L., with Medicago sativa L. and Lotus comiculatus L., resulted in the best pei:-formance. Festuca pratensis Huds. and especially L. comiculatus L. responded best to the occurrence of surface water for periods of 4 to 6 weeks. Birdsfoot trefoil was the most resistant to drought. Average annual hay yields were 8,100-8,989 metric tons (t)/ha on hydromorphic soil and 9,720-10,420 t/ha on alkaline hydromorphic soil. The highest yields on the two soils were 12,620 and 13,270 t/ha, respec­tively. The overall average was 10,933 t/ha. Cultivated grasses improve the physical and chemical properties of the examined soil types, especially their structure and water-air properties, assuring a more successful cultivation of row crops in rotation. Cultivated grasses are a form of long-term land use. They regenerate well, as we confirmed by obtaining three or four cuttings of excellent fodder yearly with crude-protein content of 16% to 17% and good digestibility. Cultivating grasses on hydromorphic and alkaline hydromorphic soils not only assures the production of fodder and improves physical-chemical soil properties but also is an important factor in improving human environment.