BEDA EKININI YETISHTIRISHDA OQOVA SUVLARIDAN FOYDALANISHNING SAMARADORLIGI
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Abstrak:
Suv taqchilligida tashlama suvlaridan foydalib, ekin yetishtirishni davrni o’zi taqozzo etib kelmoqda. Ilmiy izlanishlar doirasida Buxoro viloyati Buxoro shahridan chiqadigan chiqindi (oqova) suvlaridan foydalanib beda ekinini sugʼorish tartiblarini ishlab chiqishda 3 yillik ilmiy – amaliy tadqiqot ishlari olib borilib, natijalari yoritilgan. Eng maqbul variant tuproq oldi namligi chegaralangan dala nam sigʼimi (ChDNS) ga nisbatan 80% bo’lgan variant. Yangi ochilgan oʼtloqi-allyuvial Buxoro viloyati tuproqlarida sugʼorish me’yori 2020 yilda sug’orish oldi tuproq namligi ChDNS ga nisbatan 70 % bo’lganda - 4536 m3/ga, ChDNS ga nisbatan 80 % bo’lganda esa - 4173 m3/ga tashkil qildi. Sug’orish tartibiga asosan bedaning hosildorligi ho’l holatida tuproq oldi namligi ChDNS ga nisbatan 70 % bo’lganda 1- variantda 195 s/ga, 2- variantda 173 s/gani, tuproq oldi namligi ChDNS ga nisbatan 80 % bo’lganda 1- variantda 384 s/ga, 2- variantda 342 s/gani tashkil etdi.
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