Rice–wheat crop rotations have high carbon fluxes. A 2-year field study in Punjab, Pakistan quantified impacts of different nutrient management on harvestable biomass, crop-derived C, soil organic C sequestration (SCS), and decomposition. Treatments included combinations mineral fertilizer, animal manure (20 Mg ha−1), incorporated residue a split-plot design under conventional tillage (CT) redu...

to evaluate the effects of soil fertilizing treatments on agro morphological traits and mucilage of isabgol, a glasshouse experiment was conducted in college of agronomy and animal sciences, university of tehran. the experiment was conducted as a factorial based on complete randomized block design with three replications. in this study, the effects of soil fertilizing treatments including contr...

Best management practices (BMPs) started in Florida citrus (Citrus spp.) in the 1990s and have evolved to play a major role in production practices today. One of the earliest BMPs in Florida arose from concerns over nitrate-nitrogen concentrations in some surfi cial groundwater aquifers exceeding the 10 mg·L–1 drinking water standard. This occurred in an area of well-drained sandy soils known a...

The REFERTIL project (FP7 contract no.: 289785) is developing safe and economical biochar quality criteria for EU policy support and proposal for possible inclusion of the biochar case into the EU FERTILIZER REGULATION revision (EC 2003/2003). The objective driven goal of this SME farmer targeted applied science and technology project is to reduce mineral fertilisers and chemicals use in agricu...

Liquid animal manure and its management contributes to environmental problems such as, global warming, acidification, and eutrophication. To address these environmental issues and their related costs manure processing technologies were developed. The objective here was to assess the environmental consequences of a new manure processing technology that separates manure into a solid and liquid fr...

A variable rate fertilizer system was developed for control of fertilizer amount by optical sensor measured NDVI of crop. The paper analyzes the input and output conditions of control system, and designed hardware, algorithm and control of fertilizer, mainly software flow and a feedback control way. In the paper, the variable-rate control system consisted of 6 optical sensors mounted on a boom ...

implementation of effective input policies and technology consistent with production structure contributes to the economic use of the production. understanding the price elasticity of input and relationship between inputs in the agricultural sector is helpful in choosing appropriate input policy. in this study we examine the production structure of pistachio in damghan. to achieve the goal, tra...

Precision agriculture is the developing trend of modern agriculture, and the rational utilization of fertilizer is one of the key technologies in the precision agriculture, which needs to fertilize variably according to the crop needs and soil fertility conditions. Thus a fertilizer automated proportioning equipment is developed to Proportion the three fertilizers: Nitrogen fertilizer, Phosphor...

Improved crop quality and quantity is the main target of soil fertilization in conventional agriculture. However, organic agriculture, adding nutrients to threshold replenishment lost through every crop. Mineral fertilizers provide essential macro microelements plants for their active growth development. Unfortunately, these kinds easily run off from plant vicinity because frequent watering rai...