Kalit soʻzlar:
- tomchilatib sug‘orish
- fertigatsiya
- NPK
- suv sarfi
- pomidor
- ildiz tizimi
- vegetatsiya fazasi
- resurs tejamkor texnologiya
- suvdan samarali foydalanish
Abstrak
Maqolada tomchilatib sug‘orish va fertigatsiya texnologiyalari asosida pomidorning fiziologik fazalariga mos ravishda suv va oziqa elementlar miqdorlarini aniq tartibda ta’minlashga doir ilmiy ma’lumotlar keltirilgan. Tajriba doirasida suv va mineral o‘g‘itlar miqdorlari pomidorning ildiz tizimi rivojlanishiga va tuproqning fizik-agrokimyoviy xususiyatlariga asoslanib ishlab chiqildi. Vegetatsiya bosqichlariga mos ravishda NPK elementlarining maqbul nisbati va konsentratsiyasi hamda sug‘orish tizimi qo‘llanilganda suv sarfi 20-40 foizga kamayishi va mineral o‘g‘itlardan foydalanish koeffitsiyenti 20-30 foizga oshishi aniqlandi. Bu pomidorning ildiz zonasida namlik va oziqa elementlarni uzluksizligini ta’minlab, hosildorlikni va resurs tejamkorligini sezilarli darajada oshirdi. Shu bilan birga, mikroo‘g‘itlarning qo‘llanilishi pomidorning turli stress omillariga chidamliligini oshirish va fotosintez jarayonini faollashtirishga xizmat qildi.
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