Parmai khok

Parmai khok, asbobest, ki bo yorii on az chuqurihoi gunoguni khok namunaho megirand. Vobasta ba istifoda va prinsipi kor Parmai khoki davrzananda (dar natijai davrzani va fishor ba khok medaroyad) va zarbani (bo quvvai dast va zarbi bolta ba khok medarorand) meshavad. Namunai khokro baroi muayyan kardami kislo­ta, miqdori unsurhoi gizoi va namnokii khok bo yorii Parmai khoki davrzananda megirand.

Namunai khoke, ki bo yorii Parmai khoki zarbavi girifta meshavad, baroi muayyan kardani hajmi massa va tarkibi khok lozimand. Hangomi guzaronidani tahlilhoi sarosari agrokhimiyavi baroi girif­tani namunai omekhtai khok dar SSSR, va mamlakathoi digar parmai dastii konstruksiyai Osipovro beshtar ba kor mebarand.

Adabiyot: K l i ch k ya k o p V. M.. Agrokhimi­cheskaya slujba v selskom khozyaystve, Moskva 1964,