PJB-2017-838
EFFECT OF FERMENTED COW AND POULTRY MANURES ON INTERCROPPED SUDAN GRASS (Sorghum Sudanese L.) AND CLITORIA (Clitoria ternate) GROWN IN AN ARID SALINE ENVIRONMENT
Abusuwar,Awad Osman
Abstract
A field experiment was conducted at Hada Al-Sham Research Station of King Abdulaziz University over two successive seasons (2015/16-2016/17) to evaluate the effect of a cereal (Sudan grass) intercropped with a leguminous (Clitoria) forage under saline arid environment. The treatments, besides intercropping, included fermented poultry and cow manures applied separately and in combination. Objective of the study was to evaluate the effect of intercropping of a cereal (Sudan grass) inter cropped with a leguminous (Clitoria) forage under saline arid environment besides evaluating the fermented manures as soil conditioner and nutrient supplier in arid saline environment. Results showed that significant differences were reported for both fermented poultry and cow manures when combined together compared to other treatments for both growth and yield parameters. Moreover, intercropping of Clitoria with Sudan grass significantly increased both fresh and dry forage yields compared to sole crop in both seasons. The increments in dry forage resulting from combined poultry and cow manures ranged from 53.7 to 118% in the first season and from 146 to 514% in the second season. On the other hand, the increments in dry forage resulting from intercropping ranged from 82.4 to 203% in the first season and from 58.7237% in the second season. It can be concluded that fermented organic poultry and cow manures with intercropping of grasses and legumes can boost forage productivity under arid saline environment.
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