Sentence examples for fertiliser n from inspiring English sources

In agro-ecosystems, in which the soils are currently fertilised with urea (50% of the total world fertiliser N consumption [ 18]) or (NH4 2SO4, emissions of N in the NH3 form take place (i.e., up to 10-20% of N in fertilisers applied as urea may be lost in the soil [ 19]).

These fertiliser N losses reflect the low agronomic efficiency of N fertiliser.

The difference between conventional and ecological management reflects the high losses of fertiliser N under conventional management.

Granulation of urea with BC had a strong effect on the behaviour of the fertiliser N in the soil system.

In doing so, it is anticipated that a greater amount of fertiliser N will be available to crops over a longer time period, increasing the efficiency of fertiliser N use, but this remains to be validated.

The possibility of improving the water use efficiency (q) of maize crops by applying fertiliser N was tested under irrigated and rainfed conditions.

The nutrition treatment was obtained by providing a complete fertiliser (N+, 4 mg of fertilizer Compo Floranid Permanent, 16% N; 7% P2O5; 22.5% SO3; + metal elements) versus no fertiliser (N-).

This can be achieved by better recovery of soil and fertiliser-N and by better internal use of N by the plant.

Third rotation (S3R)  Site preparation *** *** *** ***  Fertiliser *** n.s.s

Organic crop production standards prohibit the use of synthetic chemical crop protection products and certain mineral fertilisers (all N, KCl and superphosphate) to reduce environmental impacts (nitrate leaching and P run-off and pesticide contamination of groundwater) and the risk of pesticide residues being present in crop plants.

For each species, sites at three levels of site index were fertilised with 450 kg/ha of N fertiliser at age 50.