Smallholder farmers in southern Africa have reported on increased labour requirements for hoe weeding due to high weed infestations in conservation farming (CF) fields. However, CF proponents claim that weed pressure and labour requirements for weeding decrease within the first three years under the recommended CF practices. An observational study was carried out during the 2008/09 cropping sea...

The study aimed to determine the interference periods of weeds in cassava ‘IAC 90’ cultivated different cycles and cropping systems. An experiment was conducted period 2014/15 (1st cycle) another from pruning plants 2015/16 (2nd cycle). experimental design a randomized block with split-split plots four replicates. represented systems (conventional no-tillage) corresponded without coexistence (0...

Growth and heavy-metal uptake of various food crops and grass cultivated on harbour dredge spoils were studied, and health aspects in consuming the marketable products were discussed. Vegetables (potato, carrot, radish, endive, lettuce) and grass (English ryegrass) performed well on dredge spoils, but small grains (wheat, barley) were affected by manganese deficiency. As compared with crops gro...

The abundance of Geobacter species in contaminated aquifers in which benzene is anaerobically degraded has led to the suggestion that some Geobacter species might be capable of anaerobic benzene degradation, but this has never been documented. A strain of Geobacter, designated strain Ben, was isolated from sediments from the Fe(III)-reducing zone of a petroleum-contaminated aquifer in which the...

The Field experiments were conducted to evaluate the effect of cropping systems and nutrient management practices on yield, economics pearl millet in School Agricultural Science, Karunya Institute Technology Sciences, Coimbatore, India). laid out Factorial Randomized Block Design (FRBD) with two factors (Cropping system Nutrient management) three replications for consecutive seasons 2022-23. st...

I n a world of more than 6 billion people, humans heavily rely on the dependable cultivation of the global food grain crops: rice, wheat, soybeans, maize (and cotton for fiber). History shows that threats to food production have major repercussions, including famine, war, and civil unrest. A major threat to food production occurs every single growing season, when wild plant species (weeds) infe...

Barley-based cropping systems (BCS) alter barley production by influencing weed infestation rates and soil nutrient dynamics. This two-year field study evaluated the interactive effects of five BCS control strategies (WCS) on properties growth yield barley. Barley was planted in different systems, i.e., fallow-barley (FB), maize-barley (MaB), cotton-barley (CB), mungbean-barley (MuB) sorghum-ba...