Effect of seed rate, phosphorus and nitrogen fertilization on forage yield, leaf to stem ratio and protein content of maize (Zea mays l.)
By: Ali, al-Tum al-Sadiq; al-Tayyib, Hani Ahmad; Jasim, Sukaynah Awad. Sudan Journal of Agricultural Sciences. No. 2 (Dec. 2014), pp.92-98, 7 p.
Subjects: Agriculture; Fertilizers; Khartoum; Nitrogen fertilizers; Twenty-first century