2012•Forest Inventory and PlanningRequires access
Application of Biogas Fertilizer to Walnut Production
Jun‐Jun Liu
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Abstract
By using a randomized block design,four tests effect of biogas fertilizer,manure,compound fertilizer and non-fertilized were studied on walnut yield.The results showed that biogas fertilizer could prevent pests and the yield of walnut was increased significantly.The average yield per plant by applying biogas fertilizer increased up to 18.3% and 10.6% respectively,compared with applying manure and compound fertilizer.Insects' population rate on walnut tree leaves was only 2% when spraying biogas slurry,and decreased 36.3%,23.1% and 18.4% respectively,compared with spraying water,compound fertilizer and manure solution.