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- Title
EFFECT OF ORGANIC MANURES AND THEIR LEVELS ON WEEDS DENSITY AND MAIZE YIELD.
- Authors
Muhammad Arif; Shah, Tariq; Ilyas, Muhammad; Ahmad, Wisal; Mian, Afaq Ahmad; Jadoon, Mushtaq Ahmad; Adnan, Muhammad
- Abstract
Organic manures are known to be the most important soil amendments for improving soil fertility and crop productivity by releasing different essential nutrients and improving the soil properties. The present experiment was conducted to study the effectiveness of different types of organic manures alone or their combination in equal proportion and their levels on weeds density and maiz1e yield. Two types of manures (sheep manure and farmyard manure-FYM) and their combination in equal proportion were used at three different levels (4, 6 and 8 tons ha-1). The results indicated that higher weed density (39 m-2), weed fresh biomass (261.59 g m-2) and weed dry biomass (102.33 g m-2) were recorded in plots treated with FYM, whereas sheep manure alone proved superior in terms of grain yield (2400 kg ha-1). Among different levels of manures, 8 tons ha-1 of manure produced higher number of weeds (37.67 m-2), greater weed fresh (263.01 g m-2) and dry (97.44 g m-2) biomass, and higher grain yield (2438 kg ha-1). It is concluded that sheep manure applied at the rate of 8 tons ha-1 resulted in higher yield of maize and lower weeds number and biomass.
- Subjects
WEED control for corn; FERTILIZERS for corn; ORGANIC fertilizers; CORN yields; MANURES
- Publication
Pakistan Journal of Weed Science Research, 2015, Vol 21, Issue 4, p517
- ISSN
1815-1094
- Publication type
Article