Zotsatira za kudalira kwambiri feteleza wa mankhwala pa nthaka

1. Manyowa a mankhwala alibe organic matter ndi humic acid. Chifukwa chake, pakagwiritsidwa ntchito feteleza wambiri wamankhwala, dothi lophatikizana la dothi limawonongeka chifukwa cha kusowa kwa organic ndi humic, zomwe zimapangitsa kuti nthaka ikhale yolimba.
2. Kagwiritsidwe ntchito ka feteleza wa mankhwala ndi ochepa. Mwachitsanzo, feteleza wa nayitrogeni ndi wosasunthika, ndipo kugwiritsa ntchito kwake ndi 30% -50%. Feteleza wa phosphorous amagwira ntchito ndi mankhwala ndipo kuchuluka kwa ntchito kumakhala kotsika, 10% -25% yokha, ndipo potaziyamu ndi 50% yokha.
3. Kukula kwa mbewu kumafuna zinthu zosiyanasiyana, ndipo kuchuluka kwa feteleza wamankhwala ndi chimodzi, zomwe zingayambitse kusalinganika kwa zakudya m'mbewu ndikuchepetsa kuchuluka kwa masamba ndi zipatso.
4. Kugwiritsa ntchito kwambiri feteleza wamankhwala kungapangitse kuti nitrate yomwe ili m'masamba ipitirire muyezo. Kuphatikizana ndi zinthu zina kumapanga carcinogens ndikuyika thanzi la munthu pachiwopsezo.
5. Kugwiritsa ntchito kwambiri feteleza wamankhwala kwachititsanso kufa kwa mabakiteriya opindulitsa a nthaka ndi nyongolotsi.
6. Kugwiritsa ntchito feteleza wamankhwala kwanthawi yayitali nthawi zambiri kumayambitsa kudzikundikira zinthu zina m'nthaka komanso kusintha kwa zinthu zakuthupi ndi zamankhwala zomwe zimapangitsa kuti chilengedwe chiwonongeke.
7. Kuchuluka kwa feteleza wamankhwala kumagwiritsidwa ntchito, kumachepetsa mwayi wamalo, ndiyeno kudalira kwambiri feteleza wamankhwala, kupanga bwalo loyipa.
8. Gawo limodzi mwa magawo atatu a alimi adziko lapansi amawonjezera feteleza ku mbewu zawo, kuonjezera ndalama za alimi pa ulimi, zomwe zimapangitsa kuti "kuchuluka kwa zokolola koma kusawonjezeke" kukhale kovuta kwambiri.
9. Kugwiritsa ntchito feteleza wamankhwala mopitirira muyeso kumapangitsa kuti zinthu zaulimi zikhale zosauka, zovunda mosavuta, ndi zovuta kusunga.
10. Kugwiritsa ntchito feteleza wamankhwala mopitirira muyeso kungapangitse mbewu kugwa mosavuta, kuchititsa kuchepa kwa mbewu, kapena kuchitika kwa tizilombo ndi matenda.