The DWR approach review: Measuring the botanical composition of native grassland in East Sumba Regency, East Nusa Tenggara Province

Abstract

Abstract East Sumba Regency is an area with great potential for beef cattle development because of its large area and sufficient local forage resources as feed. Native grassland is a source of forage for ruminants, especially by smallholder farms in rural areas. This review paper aimed to analyze the Dry Weight Rank method as a method of measuring the botanical composition and distribution of forages. Referring to measurements of botanical composition, vegetation on grassland in the experimental plots and field studies can be explained using different parameters (plant density, cover, frequency or yield proportion). Each of the obtained parameters is capable of describing different features, which under certain circumstances may be correlated with each other to some extent, but are not completely equivalent. Therefore, the choice of parameters to be assessed depends on the objectives of the study. The choice of method depends primarily on the accuracy required, the affordability of efforts, and the available resources. The Dry Weight Rank method developed by Lt Mannetje and Haydock is one of the techniques referred to as a tool for measuring the botanical composition of native grassland.

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