English to Italian Science Botany Standard per manti erbosi, falciatura

"These problems can also happen if machines are set up poorly or having to cope with grass that has been allowed to grow excessively long between cuts.
With a rotary mover the evenness of cut will be determined by blade condition and the amount of grass passing through the mower.
Too much grass being cut in a pass will result in an unclean cut as the volume of arisings under the deck slows the blade speed and misses occur". Ne capisco il senso ma ho difficoltà a rendere in maniera fluida la consequenzialità della frase. Cerco soluzioni migliori. Grazie!