《Table 4 Comparison of growth potentials and yields of B.striata using different fertilization type》

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《Compound Planting of Bletilla striata under Forest in the Three Gorges Dam Area》

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As shown in Table 4，the application of farmyard manure had the best effect in cultivating B.striata.The application of farmyard manure to B.striata could make it had good growth potential performance，and the average height was 14 cm，7 cm higher than that applied with chemical fertilizer，compound fertilizer，respectively.The yield（dry）of B.striata applied with farmyard manure was 4 545 kg/hm2，and the yield per unit area was 31.7%，18.4%higher than that applied with chemical fertilizers，compound fertilizer，respectively.Moreover，the observation also found that farmyard manure had the best effect，but there were significant differences between different farmyard manure，and the effect was the best using sheep excrement，followed by cow dung.