Ahantu ho kubungabunga ubwatsi bw'icyatsi kibisi-Itatu

4. Gufumbira
Ifumbire igomba gushyirwa mu rugero ruto kandi inshuro nyinshi kugira ngo ibyatsi bikure neza.

(1) Ifumbire
① Ifumbire mvaruganda igabanyijemo ubwoko bubiri: ishongesha vuba n'ishongesha buhoro, ari zo fumbire nyamukuru ku bwatsi bw'icyatsi kibisi. Ifumbire mvaruganda ihita ishongeshwa mu mazi hanyuma igaterwa umuti, mu gihe ifumbire mvaruganda igenda buhoro muri rusange ikwirakwizwa mu buryo bwumye. Ariko, gukoresha ifumbire mvaruganda buhoro buhoro bikunze gutuma itwikwa, bityo ikoreshwa cyane cyane ku bwatsi bw'icyatsi kibisi bufite ibisabwa bike.
② Urea. Urea ni ifumbire mvaruganda ikoresha azote neza cyane kandi ikunze gukoreshwa mu gusana ubwatsi bw'icyatsi kibisi. Gukoresha ifumbire mvaruganda ikoresha azote cyane ku bwatsi bw'icyatsi kibisi bituma ubudahangarwa bw'indwara z'ibimera bugabanuka kandi bukandura. Kuyikoresha nabi bishobora no gutera ubushye byoroshye, bityo muri rusange ntikwiriye gukoreshwa cyane.
③ Ifumbire y'amazi ya azote ifite ingaruka nk'iza urea.
④ Ifumbire mvaruganda y'igihe kirekire ni ifumbire ikomeye ifite ibintu byinshi kandi ikora neza. Muri rusange, nta kintu cyo gutwika kizabaho, ariko irahenze.

(2) Amahame yaguhitamo ifumbire
Ubwatsi bw'ibyatsi bibisi buri hejuru y'urwego rwa 1 bukoresha ifumbire mvaruganda ihita ikoreshwa n'ifumbire mvaruganda isanzwe n'iy'igihe kirekire, ubwatsi bw'ibyatsi bibisi bwo ku rwego rwa 2 na 3 bukoresha ifumbire mvaruganda ishongesha buhoro buhoro, naho ubwatsi bwo ku rwego rwa 4 ntibukoresha ifumbire.

(3) Uburyo bwo gufumbira
① Ifumbire mvaruganda ihita ishongeshwa mu bwogero bw'amazi ku kigero cya 0.5%, hanyuma igaterwa ku buryo bungana n'icyuma gitera umwuka mwinshi. Ingano y'ifumbire ikoreshwa ni 80㎡/kg.
② Nyuma yo kuvanga ukurikije ingano n'ingano byagenwe, siga ukoresheje sprayer ifite umuvuduko mwinshi.
③ Shyira ifumbire y'igihe kirekire ku buryo bungana ukoresheje intoki ukurikije urugero rwagenwe, hanyuma usuke amazi rimwe mbere na nyuma yo kuyitera.
④ Shyira ifumbire mvaruganda ishongesha buhoro buhoro ku gipimo cya 20g/㎡.
⑤ Sukura urea n'amazi ku kigero cya 0.5%, hanyuma utere imbunda itera umuvuduko mwinshi.
⑥ Gufumbira bikorwa hakurikijwe intambwe z'ingingo, igice, n'ubuso kugira ngo habeho bumwe.

(4) Urugendo rw'uburumbuke
① Inzira yo gufumbira ifumbire mvaruganda ikorwa mu gihe kirekire igenwa hakurikijwe amabwiriza y'ifumbire.
② Ubwatsi bw'ibyatsi by'icyatsi kibisi byo mu rwego rwo hejuru n'ubwa mbere budafumbirijwe ifumbire mvaruganda igihe kirekire bugomba gukoresha ifumbire y'umwimerere ihita ikoreshwa rimwe mu kwezi.
③ Urea ikoreshwa gusa mu gutera imboga mu minsi mikuru ikomeye no mu igenzura, kandi ikoreshwa ryayo rigenzurwa cyane mu bindi bihe.
④ Ifumbire mvaruganda ishongesha buhoro ikoreshwa rimwe mu mezi 3 ku banyeshuri bo mu cyiciro cya kabiri n'abo mu cyiciro cya gatatuubwatsi bubiibyatsi.