Evaluation of farm yard manure and some selected pre-emergence herbicides on the growth and yield of cotton in Samaru- Zaria, Nigeria
Agbede OO 2009. Understanding Soil and Plant Nutrition: Salmon Press and company Keffi, Nigeria. P. 147-156
Ali H, Muhammad D, Abid SA 2005. Weed control practices in cotton planted on bed and furrow. Pakistan Journal of Weed Science Research 11, 43 – 48.
Baba BM 1981. The presentation of fertilizer requirement of cotton. B Sc. Project Crop production department, ATBU, Bauchi.
Bukun B 2004. Critical period of weed control in cotton in Turkey. Weed Research Oxford 44, 404 – 412.
Duggan B, Gaff N, Yates S, Constable G 2004. Evaluating round-up in cotton. Australian cotton grower 21, 12 – 15.
Hiremath KA, Rao SA 2001. Chemical weed control studies in irrigated hybrid cotton. Crop Research, Hisariya, India 21, 41 – 45.
Idem NUA 1999. Cotton Production in Nigeria: Baraka press and publishers Ltd, Kaduna. Pp45-54.
Ngouajio M, Foko J, Fouejio D 1997. The critical period of weed control in common bean (Phaseolus vulgaris) in Cameroon. Crop protection Journal 16, 127 -133.
Panwar RS, Malik RS, Rathi SS, Malik RK 2001. Chemical weed control in cotton. Indian Journal of weed Science 33, 14 -17.
Dadari SA 2003. Evaluation of herbicides in cowpea/cotton mixture in Northern guinea savannah. Journal of Sustainable Agriculture and Environment 5,153 – 159.
Duncan DB 1955. Multiple range and F test. Biometrics, 1- 42.
Jaibir T, Singh HB, Vivek-tripathi SS 2004. Integrated weed management in intercropping mungbean (Vigna radiata) and cowpea fodder (Vigna unguiculata) with pigeon pea (Cajanus cajan) under western U.P. condition. Indian Journal of Weed Science 36, 133 – 134.
Khan BM, Asif M, Hussain N, Iqbal, N 2000. Agronomic and economic impact of different weed control strategies in wheat. Journal of Research in Sciences 11, 46 – 49.
Li R, Guidong Y, Yumei Z, Zhanzhi X, 2004. Damage loss and control technology of feeds in cowpea field. Weed Science 2, 25 – 26.
Marthew G Srceenivasan E 1998. Effect of weed control methods on yield and yield economics of rain-fed and rice fallow summer cowpea. Madras Agricultural Journal 85, 50 – 52.
Parasuraman P 2000. Weed management in rain – fed cowpea (Vigna unguiculata) and green gram (Phaseolus radiatus) under North West Agroclimatic zone of Tamil Nadu. Indian Journal of Agronomy 45,732 – 36.
Silva JBF, Pitombeira JB, Nunes RF, Pinho JLN 2003. Weed control in cowpea under no till system. Planta Daninha 21, 151 -157.