CBS, katswiri woteteza mbewu zamoyo, adachita kafukufuku pakati pamakampani 1,315 owonjezera kutentha ku Netherlands. Mu 2020, 95% ya malo obiriwira obiriwira adatetezedwa ndi njira zachilengedwe monga mavu a parasitic kapena nthata zolusa. Mu 2016, chiwerengerochi chinali 92%, ndipo mu 2012 - 78%.
Mu 2020, kuletsa tizilombo toyambitsa matenda kudagwiritsidwa ntchito kudera lonse la nkhaka, tsabola ndi tomato m'malo obiriwira kuti athe kuthana ndi tizirombo ndi akangaude. Kwa mbewu zitatu izi, kugwiritsa ntchito tizilombo toyambitsa matenda kunali kokulirapo kuyambira chaka cha 2012. Mwachitsanzo, 96% ya madera a tomato ndi pafupifupi 90% ya madera a nkhaka ndi tsabola wotsekemera adathandizidwa ndi tizilombo toyambitsa matenda mu 2012.
Kugwiritsiridwa ntchito kwa biosecurity pa strawberries otetezedwa kwawonjezeka kwambiri, kuchokera ku 58% mu 2016 mpaka 98% mu 2020. Zomera zodzikongoletsera monga maluwa, gerberas ndi chrysanthemums zimakhalanso ndi gawo lolamulira lachilengedwe la 90% mu 2020. Zomera zokhazokha - maluwa kapena maluwa. zotsalira - kutsalira kumbuyo: 75% ndi 81% motsatana.
Chiwerengero cha ma biological control agents omwe akugwiritsidwa ntchito chikukulirakulira. Pali magulu anayi akuluakulu othandizira tizilombo toyambitsa matenda omwe amagwiritsidwa ntchito polimbana ndi tizirombo mumakampani owonjezera kutentha. Pafupifupi 52 biliyoni nthata ndi mavu parasitic ntchito mu 2020, pafupifupi kasanu kuposa 2016. Chiwerengero cha mavu parasitic ndi ndulu midges kufika 2.4 biliyoni, kuwirikiza kawiri kuposa mu 2016. Chiwerengero cha nsikidzi, lacewings ndi Zilombo zakutchire ndizotsika kwambiri pa 0.2 biliyoni, koma kuwirikiza kawiri zomwe zinali mu 2016. Gulu lachinayi la mankhwala ophera tizilombo ndi nematodes: amagwiritsidwa ntchito mochuluka mu gawo la wowonjezera kutentha, koma ziwerengero za 2020 (5.202 biliyoni) zilipo. .
Kugwiritsiridwa ntchito kwa nthata zolusa ndi thrips mu mbewu zonse zisanu ndi zinayi zomwe anaphunzira kunakula pang'ono, kuchokera ku 66% ya malo olimidwa mu 2016 mpaka 69% mu 2020. Kugwiritsa ntchito tizilombo toyambitsa matenda kumeneku kwawonjezeka, makamaka kulima strawberries (98% ya derali). vs. 54% mu 2016) ndi gerberas (98% vs. 68%). Pakulima phwetekere, nthata zolusa zimagwira ntchito yocheperako, pomwe mavu a parasitic ndi ofunikira kwambiri ngati zida zowongolera zamoyo.
Mu 2020, mavu a parasitic ndi ndulu adagwiritsidwa ntchito pa 74% yazokolola zisanu ndi zinayi mu gawo la wowonjezera kutentha. Mu 2016, chiwerengerochi chinali 67%. Mankhwalawa amagwiritsidwa ntchito kwambiri kulima tsabola (98% ya dera), tomato (95%) ndi gerberas (94%). Kuwonjezeka kwakukulu kogwiritsidwa ntchito kwachitika pakulima maluwa, kuchokera pa 52% ya dera mu 2016 mpaka 82% mu 2020.
Kugwiritsa ntchito kachilomboka, lacewings ndi hoverflies m'makampani owonjezera kutentha kwawonjezeka kuchoka pa 54% ya malo omwe amalimidwa mu 2016 kufika pa 61% mu 2020. Pakulima tsabola, gulu ili la tizilombo limagwiritsidwa ntchito polimbana ndi tizilombo pa 98% ya dera, ndikutsatiridwa. ndi kulima tomato - 93%. Kugwiritsiridwa ntchito kwa tizilombo toyambitsa matenda timeneti kwakula kwambiri mu greenhouse rose kupanga, kuchokera 25% mu 2016 mpaka 56% mu 2020. Mbewu zina, kupatulapo chrysanthemums, zinawonanso kukula. Mukakulitsa nkhaka, gulu ili la othandizira tizilombo amagwiritsidwa ntchito pang'ono (8% ya malo onse), popeza nthata zolusa zimagwiritsidwa ntchito kwambiri.