Search Results - "L. ALAKUKKU"

Greenhouse gas fluxes in varying soils types under conventional and no-tillage practices by Regina, K., Alakukku, L.

“…Consideration of the environmental effects of the no-tillage practice should be made on the basis of its effects on both carbon and nitrogen cycles. There is a…”
Get full text

Gas transport and subsoil pore characteristics: Anisotropy and long-term effects of compaction by Berisso, F.E., Schjønning, P., Keller, T., Lamandé, M., Simojoki, A., Iversen, B.V., Alakukku, L., Forkman, J.

“…Anisotropy of soil pore functions significantly affects the transport of gas and water in soil. This paper quantifies anisotropy of subsoil pores and…”
Get full text

Prevention strategies for field traffic-induced subsoil compaction: a review: Part 1. Machine/soil interactions by Alakukku, L, Weisskopf, P, Chamen, W.C.T, Tijink, F.G.J, van der Linden, J.P, Pires, S, Sommer, C, Spoor, G

“…Subsoil compaction is a severe problem mainly because its effects have been found to be long-lasting and difficult to correct. It is better to avoid subsoil…”
Get full text

Effects of terrain slope on long-term and seasonal water balances in clayey, subsurface drained agricultural fields in high latitude conditions by Turunen, M., Warsta, L., Paasonen-Kivekäs, M., Nurminen, J., Alakukku, L., Myllys, M., Koivusalo, H.

“…•3D FLUSH supports year-round water balance simulation in undulating field area.•Most outflow from the clay fields occurred through subsurface pathways.•Slope…”
Get full text

Modeling water balance and effects of different subsurface drainage methods on water outflow components in a clayey agricultural field in boreal conditions by Turunen, M., Warsta, L., Paasonen-Kivekäs, M., Nurminen, J., Myllys, M., Alakukku, L., Äijö, H., Puustinen, M., Koivusalo, H.

“…► A 3D model (FLUSH) simulates simultaneously 4 monitored field sections. ► Groundwater outflow was a major outflow pathway and totaled 9–15% of precipitation…”
Get full text

Soil macroporosity in relation to subsurface drain location on a sloping clay field in humid climatic conditions by Alakukku, L., Nuutinen, V., Ketoja, E., Koivusalo, H., Paasonen-Kivekäs, M.

“…Macroporosity of soil and earthworm abundance in relation to the distance from subsurface drain lines were determined to investigate the effect of subsurface…”
Get full text

Rolling resistance and rut formation by implement tyres on tilled clay soil by Kurjenluoma, J., Alakukku, L., Ahokas, J.

“…The rolling resistance and rutting incurred by towed flotation implement tyres were investigated on an arable clay soil in three different soil strength…”
Get full text

Surface runoff, subsurface drainflow and soil erosion as affected by tillage in a clayey Finnish soil by Turtola, Eila, Alakukku, Laura, Uusitalo, Risto, Kaseva, Antti

“…Conservation tillage practices were tested against autumn mouldboard ploughing for differences in physical properties of soil, surface runoff, subsurface…”
Get full text

Temporal and soil depth-related variation in soil enzyme activities and in root growth of red clover ( Trifolium pratense) and timothy ( Phleum pratense) in the field by Niemi, R.M., Vepsäläinen, M., Wallenius, K., Simpanen, S., Alakukku, L., Pietola, L.

“…Activities of 12 different enzymes in soil and growth of timothy ( Phleum pratense) and red clover ( Trifolium pratense) roots were monitored on fine sand soil…”
Get full text

Surface water ponding on clayey soils managed by conventional and conservation tillage in boreal conditions by Alakukku, Laura, Ristolainen, Antti, Sarikka, Ilkka, Hurme, Timo

“…Surface water ponding and crop hampering due to soil wetness was monitored in order to evaluate the effects of conservation tillage practices and perennial…”
Get full text

Persistence of soil compaction due to high axle load traffic. 2. Long-term effects on the properties of fine-textured and organic soils by Alakukku, L. (Agricultural Research Centre of Finland, Jokioinen (Finland). Inst. of Crop and Soil Science)

Get full text

Persistence of soil compaction due to high axle load traffic. 1. Short-term effects on the properties of clay and organic soils by Alakukku, L. (Agricultural Research Centre of Finland, Jokioinen (Finland). Inst. of Crop and Soil Science)

Get full text

Plant residue mulch increases measured and modelled soil moisture content in the effective root zone of maize in semi-arid Kenya by Tuure, J., Räsänen, M., Hautala, M., Pellikka, P., Mäkelä, P.S.A., Alakukku, L.

“…•Soil moisture was measured and modelled for maize residue mulched and bare soil.•Mulching increased measured and modelled soil moisture in the effective…”
Get full text

Properties of compacted fine-textured soils as affected by crop rotation and reduced tillage by Alakukku, Laura

“…The effects of crop rotation and reduced tillage on physical properties of compacted soil were investigated in field experiments on two fine-textured soils…”
Get full text

Comparison of surface foil materials and dew collectors location in an arid area: a one-year field experiment in Kenya by Tuure, J., Korpela, A., Hautala, M., Hakojärvi, M., Mikkola, H., Räsänen, M., Duplissy, J., Pellikka, P., Petäjä, T., Kulmala, M., Alakukku, L.

“…•Tested plastic materials were suitable for collecting dew in arid conditions•Placement of a dew collector can influence the dew yield•Cumulative dew yields…”
Get full text

Spatial variation of soil properties affecting yield by Farkas, Cs.(Research Institute for Soil Science and Agricultural Chemistry (RISSAC) of the Hungarian Academy of Science), Ristolainen, A.(MTT Agrifood Research Finland, Soils and Environment, E-House, Jokioinen), Alakukku, L.(MTT Agrifood Research Finland, Soils and Environment, E-House, Jokioinen)

Get full text

Process rates of nitrogen cycle in uppermost topsoil after harvesting in no-tilled and ploughed agricultural clay soil by Laine, Merjo, Rütting, Tobias, Alakukku, Laura, Palojärvi, Ansa, Strömmer, Rauni

“…No-till is considered an agricultural practice beneficial for the environment as soil erosion is decreased compared to ploughed soils. For on overall…”
Get full text

Fluxes of nitrous oxide in tilled and no-tilled boreal arable soils by Sheehy, Jatta, Six, Johan, Alakukku, Laura, Regina, Kristiina

“…► N2O fluxes in CT, NT and RT treatments in cereal crop fields in Finland. ► Cumulative N2O emissions higher in NT in clayey soils. ► Increased WFPS and poor…”
Get full text

Root growth dynamics and biomass input by Nordic annual field crops by Pietola, Liisa, Alakukku, Laura

“…Roots are an important sink for photoassimilates and carbon input to soil. Here the root growth and biomass of different spring sown annuals was determined to…”
Get full text

Subsoil compaction due to wheel traffic by L. ALAKUKKU

“…The article reviews those major soil properties and traffic factors, which together influence subsoil compaction resulting from the passage of agricultural…”
Get full text