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A comparative study on the top visible dewlap (TVD) leaf nutrient content of eight sugarcane varieties grown for six and eight months
(1980)
For the past thirty years the Sugar Regulatory Administration, including the defunct Philsugin and Philsucom, have been equipped only to use soil testing as the main basis for fertilizer recommendation. This system of ...
Plankton of Lake Caliraya, Lumban, Laguna
(1980)
A lake is a rich community of diverse microscopic plant population and animal population affected by physical and chemical factors. The immediate environment of aquatic organisms is water; therefore, a study of the factors ...
A study of the relationship between students' knowledge of grammatical structure and ability in reading comprehension
(1980)
Statement of the Problem
A common problem is the failure of the students to understand the material read. This not only affects their performance in English classes but also in other content subjects. Bansuela expressed ...