Air-dried Azolla (Azolla pinnata) meal as a feed supplement for broilers

Poultry farming is one of the most profitable businesses of agriculture that provides nutritious meat and eggs for human consumption within the shortest possible time. A large number of farms have been established in different parts of the country creating employment opportunities for the people but is facing problems because of the high price and […]

Effects of Azolla and inorganic nitrogen application on growth and yield of rice in mwea irrigation scheme

Use of inorganic fertilizers constitutes 20% of the rice production cost in Mwea. Azolla fern, which grows in Mwea Irrigation paddies, has the potential to supplement the nitrogen requirement, thus reducing the fertilizer costs. A field experiment was conducted in Mwea Irrigation Scheme during 2015 long and short rains to determine the effect of Azolla […]

Effects of inorganic nutrient P and N application on Azolla biomass growth and nutrient uptake

Rice farmers in Mwea Irrigation Scheme routinely apply P and N fertilizers which affect water nutrient levels. A study was conducted to establish the effects of nutrient N and P application on Azolla biomass accumulation. The study was conducted in a batch culture experiment, using 5g of fresh Azolla biomass samples from each of the […]

Ecology of feeding nile tilapia under Azolla cover in earthen ponds: an assessment using structural equation modelling

The mechanisms by which Nile tilapia (Oreochromis niloticus) grow under Azolla cover (AC) in semi-intensive system was evaluated for 90 days using structural equation modelling and pathway analysis. The following Azolla cover (AC) extensions were applied: 0%, 15%, 30%, 45%, 60%, 75% and 90% of the surface. Fingerlings (initial mean weight: 15.8 ± 0.2 g) […]

Effect of covering water surface with azolla (Azolla filiculoides Lam.) on water quality, growth and production of nile tilapia fed practical azolla-diets in earthen ponds

Although common in Africa’s rural areas, covering fish pond with Azolla is an extensive aquaculture practice that generates lower fish growth performances. To improve fish yield, a 90-days experiment was implemented to evaluate the effects of several Azolla cover (AC) levels on water nutrient, plankton dynamic, growth and production of Nile tilapia supplementary fed in […]

Implementation of integrated pest management based on detrivore augmentation against soil arthropod’s abundance and diversity in rice field

Detrivore augmentation is a part of Integrated Pest Management (IPM) tactic based on local potential owned by farmers. Its main objective is to increase the abundance of decomposers organisms. Decomposers abundance is an indicator of the nutrient cycling availability. It also indicates the availability of alternative energy source that ensures the natural enemy populations. Augmentation […]

Effects of chemical and biological fertilizer on yield and nitrogen uptake of rice

A factorial experiment was applied to evaluate the effect of chemical and biological fertilizer on nitrogen uptakes, nitrogen use efficiencies of grain yield and biomass (NUEg and NUEb respectively), yield and yield components of rice. Four biological treatments including:(M1:no fertilizer), ( M2:10 ton/ha cow dung ),(M3:20 ton/ha cow dung) and (M4:5 ton/ha azolla compost) and […]

Effect of chemical and biological fertilizer on rice yield, growth and quality in paddy soil of Guilan province (Iran)

In order to evaluation of the effect of chemical and biological fertilizers on yield ,biomass and Quality parameters consist of protein content, amylose content (AC), gel consistency (GC), gelatinization temperature (GT) were considered at rice research institute of Iran. This research was applied in a factorial experiment based on a randomized complete block design with […]