Production agronomy and fertilizer trials [of rice and corn in Valencia, Bukidnon, Philippines]: soil and land resources appraisal and training project Philippines. Field document 2.
1980
This presents data on the present productivity of different soil series for rice and corn in connection with the related farm management practices that could be observed through interviews with farmers and fertilizer trials. It also comments on the potential productivity for rice and corn of the soil series studied when project objectives have been implemented.
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Эту запись предоставил Wolters Kluwer