Rubber manuring recommendation
1987
Taryo-Adiwiganda, Y. (Balai Penelitian Perkebunan Sungei Putih, Medan (Indonesia))
This paper discusses the method of arranging manuring recommendation for rubber trees and cost for the work. Step in doing manuring recommendation for rubber trees consists of : (1) soil and leaf samplings, (2) soil and leaf analysis in the laboratory, (3) field inspection and agronomic data collection and (4) writing the manuring recommendation book. The charge for asking manuring recommendation for rubber is Rp. 1.500,-/ha for minimum land of 500 ha. Efforts to reduce the cost for getting manuring recommendation from BPP Sungei Putih will include : (1) the estate staff should be able to do soil and leaf samplings and send the samples directly to BPP Sungei Putih, (2) to analyse soil and leaf only for important nutrients such as N, P, K, and Mg, and (3) the fertilizing application should follow the manuring recommendation approved by BPSP
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