Poyae, ki dar on mugja va bargho iikishof meyoband, navda nomida meshavad. Har navdai kalon az poya, bugum (band), bayniband, mugja va bargho iborat ast. Joe, ki ba on barg payvast shudaast, band nomida meshavad. Fosilai du bandi ba ham nazdikro bayniband menomand. Aksari rastaniho du khel poya dorand: agar …

Mugja navdai holo inkishofnayoftai janini meboshad. Az mugja inkishof yoftani navdaro, khususan bahoron, hangomi ba kushodashavi shuru kardani mugjaho mushohida kardan mumkin ast. YO in ki shokhchaero dar ob guzoshta dar sharoiti khona yo maktab kushodashavii mugjahoro mushohida kardan qulay ast. Mo mebinem, ki baroi kushodashavii mugjaho fursati muayyani vaqt …

Dar reshai baze rastaniho (sabzi, turb, shalgam, lablabu va gayraho) moddahoi zakhiravi gun meshavand. CHunin reshaho boavj gafs gardida, ba khud shaklhoi gunogunro megirand. Onhoro odatan bekhmeva (yo reshameva) menomand. Bekhmeva dar aksari holatho az reshai asosi va yo az qismi poyonii poya hosil meshavad. Rastanihoi bekhmevador aksaran rastanihoi dusolaand. …

Resha niz chun digar uzvhoi rastani ba oksigeni havo ehtiyoji kalon dorad. Resha dar vaqti nafaskashi oksigeni havoro nafas girifta gazi karbonatro khorij mekunad. Inro bo tajribai oddi isbot kardan mumkin ast. Agar niholi mushungi (lubiyo yo nakhudi) dar arramayda sabzondashudaro girifta, arramaydahoyashro afshonda ba dokhili probirka guzorem 38 va …

Dar kishtzorhoi khokashon az moddahoi gizoi kambagal hosilnokii ziroathoi kishovarzi nihoyat kam ast. Baroi baland bardoshtani hosilnokii chunin zaminho ba khok nurihoi gunogunero, ki norasoiashon nazarras ast, meandozand. Nuriho du khel meshavand: nurihoi organiki va madani. Nurihoi organiki (az kalimai organizm) moddahoe meboshand, ki dar natijai faoliyati hayotii rastaniho va …