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Proceedings of the International Academy of Ecology and Environmental Sciences, 2017, 7(4): 106-114
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Article

Evaluation on the effect of Difulai microbial fertilizer in Weibei Loess Plateau Area, China

ShanDong Meng, Xin Li, JiaMing Gan, GuoXing Duan, LiZhi Jin, Jing Dong
College of Plant Protection, Northwest A and F University, Yangling, China; Agricultural Standardization Institute, Northwest A and F University, Yangling, China

Received 17 February 2017;Accepted 4 November 2017;Published 1 December 2017
IAEES

Abstract
Microbial fertilizers are considered an alternative for chemical fertilizers to improve soil fertility and crop production in sustainable farming. This study aimed to evaluate the effects of microbial fertilizer application in Weibei arid area, China. The study was conducted in an apple orchard and a tomato greenhouse between February and November in 2015. Microbial fertilizer application in the apple orchard significantly increased the longitudinal diameter, fruit weight, leaf thickness, and leaf weight by 3.03%, 6.97%, 8.93%, and 3.39%, respectively. In tomato, the use of microbial fertilizer significantly increased the flower number; plant height; and the transverse diameter, sugar content, and hardness of fruit by 7.93%, 14.24%, 6.84%, 4.03%, and 7.92%, respectively. In general, the Difulai microbial fertilizer had noticeable promoting effects on the apple and greenhouse tomato yield and quality. In addition, this study proposed a new method to characterize the apple yield by using fruit weight, and established a model to predict the apple yield by using leaf weight during the growth period.

Keywords microbial fertilizer;Loess Plateau;quality;yield;field experiment.

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