Journal of Food, Agriculture and Environment
Vol 11,
Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Effects of mulching and fertilization on soil moisture and crop productivity of broomcorn millet in the dry farmland of Loess Plateau
Author(s):
Wang Su 1,
Yan-Ping Zhang 1, Yang Qu 2, Xiao-Li Gao 1, Jian-Hua Liu 3, Bai-Li Feng 1*Recieved Date: 2013-05-06, Accepted Date: 2013-10-28
Abstract:Crop productivity is low and unstable in the dry farming areas, using suitable dry farming technology is very important for crop production. The effects of five mulching methods and four fertilization conditions on the growth of broomcorn millet were studied in dry farmland located in the Loess Plateau from 2011 to 2012, which provided a theory basis to increase the productivity of broomcorn millet. The field experiment utilized a split-plot design, with mulching treatments serving as the main plots and fertilization treatments as the subplots, and with three replications. It showed that different mulching and fertilization practices had significant but different effects on the soil moisture and broomcorn millet productivity. Compared to the control (NM), the mulching treatments (SG, LM, QM and JG) significantly increased the soil moisture content in each growth period of broomcorn millet. Among the five mulching methods, SG produced the highest yield. Compared to the control (F0), the fertilization treatments (F3, F2 and F1) significantly decreased the soil moisture content in each growth period of broomcorn millet. Among the four fertilization treatments, F3 produced the highest yield. There was no significant interaction effect between mulching and fertilization. From these results, we concluded that the yield of treatment SG+F3 produced the greatest increase and was the optimal practice to improve the soil moisture content and increase the productivity of broomcorn millet on dry farmland in Loess Plateau.
Keywords:Mulching,
fertilization, soil moisture, water use efficiency and crop productivityJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Agriculture
Pages: 872-878
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