EFFECT OF MINERAL FERTILIZATION AND CUTTING NUMBERS ON GROWTH AND PRODUCTIVITY OF GUAR PLANT II. EFFECT ON YIELD OF GREEN FOLIAGE, SEED, GUARAN YIELD AND PROTEIN

Document Type : Original Research Article

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Horticulture Department, Fac. of Agric., Minia Univ. Egypt

Abstract

This work was carried out during the two successive growing seasons of 2019 and 2020 at the farm of Animal Industrial Feeding Factory, Shosha Village, which belongs to Production Sector, Agricultural Research Centre, Ministry of Agriculture, and Laboratory of Floriculture, Faculty of Agriculture, Minia University, to study the effect of NPK fertilization and number of cuts on the foliage, seed and guaran yield as well as protein content of guar (Cyamopsis tetragonoloba, L. Taub.) plant. Data revealed that increasing mineral NPK level led to significant increase all studied parameters (fresh and dry green foliage/fed/year, seed and guaran yield/plant and /fed/year and protein content) comparing with control. The results showed that increasing number of cuts significantly increased fresh and dry green foliage/fed/year and, protein content while significantly decreased seed and guaran yield/plant and /fed as compared with non-cut plants. The interaction treatment of high level of NPK in combination with three cuts was the best interaction treatment to obtain the highest green foliage/plant and /fed/year and protein content. For obtaining good productivity of seeds and guaran, it should be fertilizing plants with a high level of NPK (200:200:100 kg/fed) without cutting. Meanwhile, when green leaf yield is the primary goal, it is suggested to supply plants with the high level of NPK (200:200:100 kg/fed) and cutting plants three times. In the case of search for a good yield of seed, guaran and foliage, it could be recommended to fertilize guar plants with the high level of NPK and cutting plants just one time

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