Journal of Food, Agriculture and Environment

Changes of sandy loam Cambisol properties at application for calcareous sapropel and limestone

Author(s):

Daiva Daugvilienė ¹, Aloyzas Burba ¹, Eugenija Bakšienė ²

Recieved Date: 2013-11-09, Accepted Date: 2014-01-18

Abstract:

In the sandy loam Cambisol experiments were conducted during 2000-2010 to study the efficiency of calcareous sapropel and limestone. In the trials on the background without mineral fertilizers and minimal rates of mineral fertilizers, the effects of sapropel and limestone as well as its mixtures with other organic (manure, sewage) and mineral fertilizers on the productivity of crop rotation (maize, maize, barley with under-crop, perennial grass of the first and second years of usage, winter rye, blend of oats and lupin, barley with under-crop, perennial grasses, blend of oats and lupin, barley) in sandy loam Cambisol with pH 6.0, P₂O₅ 130-230 and K₂O 150-210 mg kg^-1 of soil, humus 1.7-2.05% were studied. The use of calcareous sapropel for fertilization on sandy loam Cambisol showed that after 11 years of sapropel action the acidity of sandy loamy soil was reduced, the amounts of total exchangeable bases, humus, total nitrogen and mobile phosphorus increased. The amount of available potassium has decreased. By the end of the second rotation, the influence of sapropel on agrochemical properties of sandy loamy Cambisol was positive. The sapropel along with limestone reduced acidity of sandy loam Cambisol. The amount of total nitrogen and humus changed slightly. Application of calcareous sapropel and limestone decreased the amount of available phosphorus and potassium in the soil. The data on the application of calcareous sapropel and limestone demonstrated that, irrespective of meteorological conditions, sapropel more strongly than limestone influenced moisture content in soil. Sapropel caused the decrease of the density of Cambisol and increase of its total porosity. The investigation of the application of calcareous sapropel and limestone suggests that in most cases fertilizing with calcareous lake sapropel was more effective than application of limestone.

Keywords:

Calcareous sapropel, limestone, manure, sewage, mineral fertilizers, soil, properties, yield

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 1
Category: Environment
Pages: 491-495

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