Efficiency of systems of cereal crops protection. [Russian

• Main Authors: Polityko P.M, Zakharov A.N
• Format: Conference Proceeding
• Language: Russian
• Published: 1996
• Subjects: cereal crops; crop yield; cultivos de cereales; efficacite; efficiency; eficacia; federacion de rusia; federation de russie; plant protection; plante cerealiere; proteccion de las plantas; protection des plantes; rendement des cultures; rendimiento de cultivos; russian federation