id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajam-198	Umeh S. I.; Mbah B. N	Measuring the benefits of biological nitrogen fixation of soybean (Glycine max (l.) Merrill) in cassava (Manihot esculenta crantz) and soybean intercrop	2017	6	.pdf	application/pdf	3562	173	63	At four months after planting there was no significant difference in soil nitrogen between sole soybean and intercrop system, but soil nitrogen under sole soybean (0.135 mg kg ) and intercrop system (0.112 m kg) where on the average three times higher than the soil nitrogen in sole cassava (0.039 mg kg). At 8 and 12 MAP, soil nitrogen under intercrop has become significantly lower than that under soybean, suggesting that cassava the companion crop has taken up extra (fixed) nitrogen from the soil.	cache/ajam-198.pdf	txt/ajam-198.txt