Nuqtai sabzish. Moddahoi zaruri baroi sabzish Agar hamai uzvhoi rastani mutadil amal kunand, in manoi onro dorad, ki rastani dar vazi khubi rushdu sabzish qaror dorad. Ba tufayli taqsimshavii hujayrahoi boftai hosilkunanda (bavujudovaranda) va sipas sabzishu makhsusiyatpaydokuni hujayrahoi bavujudomadai organizmi rastani az jihati hajmu (andozayu) vazn kalon shuda, barkamol meshavand. …

Agarchande rastaniho dar yak joy muqimy sabzand ham, vale vobasta ba tasiri omilhoi muhiti beruna va gayraho dar ravandi rushdu inkishofashon harakathoi gunoguni uzvhoi ruizamini va zerikhokii onhoro mushohida kardan mumkin ast. Qismi ziyodi harakati rastani — sabzishi meboshad. Dar natijai sabzishi poyavu navdaho rastaniho botadrij ba tarafhoi gunogun sabzida, …

№1 SHINOHTANI UZVHOI RASTANIHOI GULDOR Rastanihoi ba shumo dodashudaro bodiqqat az nazar gu- zaroned. Uzvhoi onhoro aniq kuned. Sipas, uzvhoi onhoro bo yakdigar muqoisa kunsd. Monandi va farkdyati onhoro muayyan kuned. Rasmi yake az in rastanihoro dar daftaraton kashed. Dar shafati uzvho nomi onhoro qayd kuned. Guli turbkohak yo yagon …

Rastaniho dar muddati faoliyati hayotiashon vaznu andozai resha, poya va navdavu bargashon sol az sol muntazam afzuda, na tanho mesabzand, onho inchunin inkishof yofta, khususiyatu khosiyathoi nav ba nav paydo mekunand. Az in ru, dar rastanihoi guldor, yane pushidatukhmon chor davrai inkishof farq karda meshavad. Saravval, ovoni janini — az …