Rastanihoi mazrui asosan az rastanihoi khudruy paydo shudaand. In rohi duru darozi inkishofi rastaniho meboshad, ki bo dakholatu faoliyati hayotii insoni sohibkhirad zich aloqamandi dorad. Dar davrahoi qadimi dur avvalin odamon talaboti ba khurok (gizo) doshtai khudro ba tufayli shikori hayvonothoi gunogun qone megardonidand. Dar barobari shikori hayvonot, odamon, inchunin, …

Gandum  ne in ziroati galladonagii bisyor qadima buda, qarib dar hamai mamlakathoi dunyo parvarish karda meshavad. Dar Misr, Iroq, Eron, Turkiyo 6 hazor sol pesh az milod gandum malum bud. Kishti gandum dar Osiyoi Markazi niz tarikhi qadima doshta, dar Bokhtar dar asri 4 pesh az milod ogoz shudaast. Sayyohi …

Juvorimakka rastanii yaksola, az oilai khushadorho meboshad. Vatani juvorimakka Amerikai Markazi buda, onro sayyohon ba Avrupo ovardand, ki badtar ba digar mamlakathoi qitai Osiyo pahn gardidaast. Juvorimakka rastanii rushnoiparvard va garmidust meboshad. Poya, barg va khushaguli nagz inkishofyofta dorad. Hushaguli chorubshaklash dar nugi poya joygir ast. Dar on jo tanho …

Ba oilai zanbaqiho 4000 namudi rastanihoi bisyorsolai alafi dokhil meshavand. Onho beshtar dar mintaqahoe pahn shudaand, ki tobistonash garmu khushk va bahoru tiramohash kamborish ast. Zanbaqiho giyohhoi piyozakbekh, lundapiyozak va reshapoyador meboshand. Bargi onho neshtarshakl, tasmamonand va darozruya meshavad. Guli rastanihoi mansubi oilai zanbaqiho doroi gulpushi oddi buda, payvastgulbarg yo …

Ba in oila avlodi vasepahnshudai piyoz dokhil meshavad, ki qarib 500 namudro darbar megirad. Piyoz dar dashtu nimbiyobonho, domanakuhho va miyonakuhho pahn shudaast. Namudhoi gunoguni piyoz dar nishebihoi sersangu regi, dar teppaho, dashtu margzorho, zeri darakhtu buttaho az balandii 450 m to balandii 4500 m az sathi bahr vomekhurand. Alomati …

Dar bayii oilahoi ba sinfi rastanihoi yakpalla mansubbuda, khushadorho kalontarin oila ba hisob rafta, taqriban 8000 namudro darbar megirand. Namoyandagoni oilai khushadorho dar tamomi arzu marzi kurai Zamin, khususan, dar dashtu margzorho, domanakuhu balandkuhho vase pahn shudaand. Aksari namudhoi dar mamlakati mo mavjudbudai in oila giyohhoi alafii yaksola va bisyorsolaand. …

Muhofizati rastanihoi guldori nodir va nestshudaistoda, ki ba “Kitobi Surkhi Tojikiston” dokhil karda shudaand Olami nabotot manbai hayot dar rui Zamin ast. Dar haqiqat, mavjudiyati inson, hayvonot va organizmhoi nihoyat khurdandoza (mikroorganizmho)-ro be nabotot tasavvur kardan gayriimkon ast. Dar ravandi fotosintez, ki faqat khosi rastanihoi sabz meboshad, az yak taraf, …

Parda yake az vositai zebogardonii khona va tanzimkunandai torikiyu rushnoi dar khona, inchunin voisitai pinhonkuni az chashmoni gayrikhohish meboshad. Parda tarikhi ziyoda az 4-5 hazora doshta dar zamoni qadim onro tanho shohon dar manzili khud istifoda meburdand va sol-to sol kharidani Parda ba mardum dastrastar shudaast. Holo pardahoi behtarin dar …