Momwe mungawonjezere michere pa nthaka ya udzu

Kukula bwino kwa udzu kumadalira zakudya zosiyanasiyana. Ngakhale kuti zakudya zimenezi zilipo kale m'nthaka, zimafunikabe "kuwonjezeredwa".

1. Sankhanifeteleza woyeneraNayitrogeni si chinthu chokha chomwe chili ndi zinthu zambiri m'zomera, komanso ndi michere yomwe imafunika kuwonjezeredwa kwambiri, kutsatiridwa ndi potaziyamu ndi phosphorous. Zinthu zitatuzi ndizofunikira kwambiri pakukula ndi kubwezeretsa zomera, koma kuchuluka kwambiri kapena kochepa kungayambitse mavuto pakukula. Nthawi, kuchuluka ndi njira yothirira feteleza ndizofunikanso kwambiri.

Chifukwa cha kusiyana kwa nyengo, mitundu ya nthaka ndi udzu, njira imodzi yoberekera singagwiritsidwe ntchito pa udzu wonse, koma pali mfundo zambiri. Mwachitsanzo, feteleza wa nayitrogeni nthawi zambiri amagawidwa m'ma feteleza a nayitrogeni omwe amagwira ntchito mwachangu komanso omwe amatuluka pang'onopang'ono. Kugwiritsa ntchito kwambiri feteleza wa nayitrogeni omwe amagwira ntchito mwachangu kungayambitse kuwonongeka kwa feteleza. M'malo mwake, ngati feteleza wa nayitrogeni wotulutsa pang'onopang'ono agwiritsidwa ntchito, udzuwo ukhoza kukula pang'onopang'ono pamene ukula bwino, ndipo udzakhala wosavuta kuwonongeka m'malo osakwanira chifukwa cha kukula koipa. Chifukwa chake, njira yabwino yoberekera ndikuphatikiza feteleza wa nayitrogeni wochita ntchito mwachangu komanso wotulutsa pang'onopang'ono. Ma feteleza ambiri apamwamba kwambiri amakhala ndi mitundu yonse iwiri ya feteleza wa nayitrogeni, yomwe ingakwaniritse zosowa za tsiku ndi tsiku za zomera kwa nthawi yayitali (nthawi zambiri milungu 6 mpaka 12). Chizindikiro cha feteleza nthawi zambiri chimasonyeza momwe feteleza wa chinthucho ndi mtundu wa feteleza wa nayitrogeni ulili. Ngati simungapeze zambiri zomwe zili pamwambapa pa phukusi la chinthucho, musagule. Kuphatikiza apo, ziyenera kudziwika kuti feteleza wa nayitrogeni wotulutsa pang'onopang'ono ndi wokwera mtengo kuposa feteleza wa nayitrogeni wotulutsa mwachangu.

2. Nthawi yabwino yothira feteleza Mwachidule, udzu uyenera kuthiriridwa feteleza ukakula bwino, apo ayi sufunika kuthiriridwa feteleza. Pamene nyengo yachilengedwe (kutentha, chinyezi ndi dzuwa) sizili bwino, feteleza sizingapangitse udzu kukula. Kutentha kwabwino kwa udzu wa nyengo yozizira ndi pakati pa 15.5℃ ndi 26.5℃. M'nyengo yakumpoto, masika ndi autumn nthawi zambiri ndi nthawi yokulira mwamphamvu, pomwe kukula kwapakati pa chilimwe kumakhala pang'onopang'ono. Udzu wa nyengo yotentha umakula bwino kutentha kukapitirira 26.5℃, kotero ndibwino kuthiriridwa feteleza panthawi yokulira mwamphamvu.

3. Kugwiritsa ntchito feteleza moyenera Kugwiritsa ntchito feteleza molakwika sikungatsimikizire kuti feteleza ikugwira ntchito bwino. Chifukwa chake, njira yolondola ndikuyika feteleza woyenera pamalo oyenera. Zida zogwiritsira ntchito feteleza zomwe zimagwiritsidwa ntchito kwambiri ndi zopopera, zopopera feteleza zamadzimadzi, ndi zopopera feteleza zozungulira kapena zowulutsa. Zopopera ndi zosavuta kugwiritsa ntchito, koma n'zovuta kugwiritsa ntchito feteleza mofanana. Zopopera feteleza zamadzimadzi ndizosavuta kukhazikitsa liwiro, koma muyenera kuonetsetsa kuti udzu wonse waphimbidwa. Zopopera feteleza zozungulira pakadali pano ndi zida zogwiritsira ntchito feteleza zogwira mtima komanso zolondola, zomwe zimatha kugwiritsa ntchito feteleza mwachangu pamalo akulu. Kuti mupeze zotsatira zabwino kwambiri zobereketsa, ndikofunikira kulabadira mfundo izi:

1. Gulani galimoto yapamwamba kwambirifeteleza wofalikirar, dziwani bwino ntchito ya chopatsira feteleza, yeretsani chopatsira feteleza mutachigwiritsa ntchito, yambani kusuntha musanayatse chopatsira feteleza, ndipo zimitsani chopatsira feteleza musanayime.

2. Perekani feteleza pamene udzu ukumera bwino.

3. Ikani chopatsira feteleza molingana ndi zofunikira pa chizindikiro cha feteleza.

4. Udzu wonse uyenera kupatsidwa feteleza yonse popanda kuphonya chilichonse.

5. Pewani kugwiritsa ntchito feteleza wa tinthu tating'onoting'ono tating'onoting'ono pogwiritsa ntchito chofalitsa feteleza chozungulira.

6. Kuthirira nthawi yomweyo mukangothira feteleza kungathandize kuti feteleza igwire bwino ntchito. Ndi bwino kuthirira feteleza mvula isanagwe.