Long-term experiments and leaching fields
Long term organic crop rotation experiments for cereal production perennial weed control and nitrogen leaching
... • Catch crops should be included in systems with grass-clover to reduce nitrate leaching when possible, especially on sandy soils. – but use of catch crops precludes stubble cultivation[r] ...
17
Rothamsted Long-term experiments : guide to the classical and other long-term experiments, datasets and sample archive
... 16 long-term experiments was evaluated to see whether the “4 per 1000 initiative: Soils for Food Security and Climate”, launched at the Paris Climate Conference in 2015 and aimed at increasing soil ...
61
Overview of long term experiments in Africa
... ongoing long-term trials distributed across east, south and western Africa and in different agro-ecological ...A long-term Experiment was defi ned as that extending over a period of over 5 ...
26
The Rothamsted long-term experiments: are they still relevant?
... Influence of soil type, crop manage- ment and weather on the recovery of l5N-labelled fertilizer applied to winter wheat in spring. Leaching of nitrate from soils receiving[r] ...
13
The design and analysis of long-term rotation experiments
... Issues 4 and 5 can be more difficult to resolve. If there are many auxiliary treatment factors, it may be acceptable to use some of the higher order interactions among these and the rotation factor as the residual, i.e., ...
15
Long-term field and laboratory leaching tests of cemented radioactive wastes
... Abstract Experiments with real and simulated radioactive cementitious wasteforms were set up to compare the leaching behaviour of cementitious wasteforms containing nuclear power plant operational waste in ...
15
Simulation of nitrogen leaching and nitrate concentration in a long-term field experiment
... nitrogen leaching and nitrate concentration in percolated water were simulated using the CANDY ...a long-term IOSDV field experiment carried out from 1983 to the present in Lukavec, Czech Republic, ...
10
Long-term experiments on chernozem soil in the University of Debrecen
... Long-term experiments are essential tools to assess and develop effective management practices for sustainable production and environmental impact (Rasmussen et ...
13
Long-term field experiments - a unique research platform
... from long-term experiments with sewage sludge indicated a rather fast increase of heavy metal concentration, but in fact due to changes in society which is increasingly ‘post- industrial’ the metal ...
98
Management and modification procedures for long-term field experiments
... The manage- ment of long-term agricultural field experiments: procedures and policies evolved from the Rothamsted Classical experiments. Long-term exper- iments in agricultur[r] ...
8
Rainfall leaching is critical for long-term use of recycled water in the Salinas Valley
... rainfall leaching of the soil root zone salinity is especially critical when grow- ing salt-sensitive, high-value crops such as strawberries and leafy greens in the Salinas ...
7
Contaminant desorption during long-term leaching of hydroxide-weathered Hanford sediments
... the long-term desorption of Cs, Sr, and I from Hanford sediments weathered in the presence and absence of gas phase CO 2 and trace levels of Cs, Sr and I ...
Mineral and organic fertilization efficiency in long-term stationary experiments
... The lowest yields were obtained at all sites at the non-fertilized control plots; the significantly lowest average yield, namely 2.74 t/ha, was re- corded at Lukavec site, the highest average yield of 4.92 t/ha was ...
9
Long term field experiments – museum relics or scientific challenge?
... different long-term trials contributes to a better understanding and forecast- ing of long-term effects of cultivation changes on the substance dynamics in the soil-plant-system as well as of ...
8
60 th anniversary of Long-term Experiments in the Czech Republic
... of long-term field experiments in the Czech ...These long-term field experiments, running at various sites - Prague, Ivanovice na Hané, Čáslav and Lukavec – and all according to ...
6
Long-term nitrogen addition decreases carbon leaching in a nitrogen-rich forest ecosystem
... how long-term N addition affects DOC dy- namics below the primary rooting zones (the upper 20 cm soils) in typically N-rich lowland tropical ...that long-term continuous N addition minimally ...
11
Long-Term Effects of Poultry Manure Application on Nitrate Leaching in Tile Drain Water
... following long-term cultivation with different crop rotations and N sources (Adams et ...nitrate leaching have reported that variation in NO 3 -N concentration and losses may not be closely ...
13
The changes in microbial biomass C and N in long term field experiments
... in long-term field experiments with continuous cultivation of silage maize and with crop ...in experiments with ...field experiments with crop rotation over the eight years of ...
7
IMPORTANCE OF LONG-TERM EXPERIMENTS IN STUDYING THE EFFECTS OF CLIMATE CHANGE. Introduction
... the long term there will be a gradual warming in Hungary, with a reduction in rainfall quantities and an increase in the frequency and intensity of extreme weather ...
6
Degradation and leaching of bentazone, terbuthylazine and S-metolachlor and some of their metabolites: A long-term lysimeter experiment
... The plastic bags were removed immediately after the application without a wash-off (artificially or by pre- cipitation) of pesticide residues from the plastic bags. Details about the applications are given in Table 3. ...
9