Pengaruh Pemberian Serbuk Gergajian terhadap Pertumbuhan Awal Anakan Tengkawang Layar (Shorea pinanga Sceff)

Yos Andy Tangkasiang

Abstract


Tengkawang Layar (Shorea pinanga Sceff) has resilience to sunlight, especially during his youth. One of the experiments conducted to improve the soil structure in polybags so as to support the improvement of seedling conditions in the form of sawn ash. The experimental environmental design used is Completely Randomized Design (CRD). Pattern experiments in nonfactorial form. The single factor tested was the ash sawdust treatment (A) with the treatment level as follows: A1 = 10%, A2 = 20%, a3 = 30%, a4 = 40%, and A5 = 50%. The results showed the treatment of sawdust ash on growing media, affecting the growth of tengkawang sapling puppies (Shorea pinanga Sceff). All the variables are the number of leaves, plant height, root number, root length and root weights are affected except the stem diameter is not affected. The percentage of sawdust ash powder on the medium grew by 20-30%, giving the best influence for growth on the observed variables. 


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References


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