Puti snizheniya ehnergozatrat pri vyrashchivanii rassady tabaka.
1996
Ryabchuk N.S. | Roshka G.V. | Kalkei E.D.
RU: Issledovaniyami ustanovleno, chto na vyrashchivanie rassady tabaka osnovnoe vliyanie okazyvaet pitatel'naya smes'. Privedeny osnovnye trebovaniya k pitatel'noi smesi i razlichnye sposoby ee prigotovleniya. Dannye, poluchennye v opytakh, pokazali, chto vnekornevye podkormki smes'yu mikroehlementov v period vegetatsii i poliv rassady tabaka v faze intensivnogo rosta rastvorami gumata natriya takzhe sokrashchaet period vyrashchivaniya rassady tabaka. Dlya vnekornevykh podkormok mozhno ispol'zovat' mikroudobreniya. Pristupit' k posevu semyan neobkhodimo lish togda, kogda temperatura pitatel'noi smesi grunta na glubine 8-10 sm dostigaet 10-12 grad. C. Bol'shuyu rol' v formirovanii kachestvennoi rassady igraet norma vyseva semyan. Issledovaniyami ustanovleno, chto khorosho razvituyu rassadu mozhno poluchit' pri norme vyseva sukhikh semyan 0,25 - 0,3 g/m kv. P ri uvelichenii normy vyseva rasteniya vytyagivayutsya, stradayut ot nedostatka sveta, plokho provetrivayutsya.
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