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Introduction to qualitative research writing : handbook-worktext for practical research 1 /

]]> By Casinto, Carlo Domingo..
[s.n.] : Great Books Trading , 2023 .
ix, 149 pages ; , Includes bibliographical references. 9786214460175

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Physical education 101 for college students /

]]> By Enrique, William DC..
[s.n.] : Great Books Trading , 2022 .
ix, 180 pages ; , Includes bibliographical references. 9786214460069

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The fertility of paddy soils and fertilizer applications for rice

Taiwan [s.n.] 1976 .
249 pages : , 1. Physicochemical properties of submerged soils in relation to fertility - F. N. Ponnamperuma – 2. Physical properties of paddy soils in relation to their fertility - T. Yahata – 3. Some notes on clay minerals in relation to soil fertility and rice production in Japan - S. Shoji – 4. The role of organic matter in rice production – with special reference to Harada's concept - K. H. Houng – 5. Nitrogen fixation in paddy soils in relation to their fertility - Y. Yamaguchi – 6. Nutrio-physiology of the rice plant - Y. Ishizuka – 7. Phosphorus in submerged soils and phosphorous nutrition and fertilization of rice - S. C. Chang – 8. Potassium fertilization of rice - N. R. Su – 9. Sulfur fertilization of rice - C. H. Wang – 10. Zinc fertilization and behavior in flooded soils - D. S. Mikkelsen and S. Kou – 11. Silica fertilization of rice - S. Lian – 12. Comparative values of chemical fertlizers for paddy rice - M. Ismunadji and H. R. von Uexkull.

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Spice crops production in the Philippines

By Tabinga, Gabriel A..
s.l. s.n. .
viii, 59 pages : , Chapter I spice crop production – Chapter II ginger – Chapter III onion – Chapter IV garlic – Chapter V black pepper.

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