EFFECTS OF ORGANIC FERTILISERS ON GROWTH, YIELD AND NUTRITIONAL CONTENT OF SNOW PEAS (Pisum sativum var. saccharatum)

Kwanele A. Nxumalo, Michael T. Masarirambi, Paul K. Wahome, Mathole Zwane, Amos O. Fadiran

Abstract


Snow peas (Pisum sativum var. saccharatum) are one of the widely used baby vegetable in Swaziland; however, there is a dearth of information pertaining to its organic production. A field study laid out in Factorial Randomised Complete Block Design was conducted at the Horticulture Farm, Luyengo Campus, of the University of Swaziland. Organic fertilisers used were kraal manure, broiler manure, and Igrow, applied at 20, 40, and 60 (t/ha). Inorganic fertilisers 2:3:2 (22) + 0.5% zinc and limestone ammonium nitrate (28%) were applied at 100 kg/ha and 80 kg/ha respectively. A trend of superiority of the different levels of organic manure application was observed as snow peas provided with 40 t/ha and 60 t/ha exhibited higher values in vegetative and reproductive growth, marketable yield and protein content especially on broiler and kraal manure application. The use of broiler manure at 40 t/ha and 60 t/ha in the production of vegetables like snow peas should be encouraged, because their application resulted in increased growth and yield compared to synthetic fertilisers.


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