Understanding the combined effects of sowing patterns and nitrogen (N) management strategies on crop productivity, environmental costs, economic benefits is important to ensuring sustainable development dryland agriculture. Thus, we conducted a three-year field experiment explore two spring maize (FS, flat sowing; RFPM, ridge furrow plastic film mulching) four N (N0, no fertilizer; N1, normal u...

the high yield depends on high dry matter production per unit area. azotobacter bio-fertilizer experiment to investigate the effect on the index, total dry matter accumulation and pishtaz and chamran wheat cultivars in 2005 was conducted in the faculty of agriculture, lorestan university. experiment, a split-plot randomized complete blocks design with four replicates were tested. treatments con...

in order to study of nitrogen application time and seed inoculation with plant growth promotingrhizobacteria on yield, fertilizer use efficiency and grain filling rate of sunflower, a factorial experimentwas conducted based on randomized complete block design with three replications in research farm ofislamic azad university, ardabil branch in 2011. the first factor was time of nitrogen applica...

Weeding and fertilization are important farming practices. Integrated weed management should protect or improve the biodiversity of farmland weed communities for a better ecological environment with not only increased crop yield, but also reduced use of herbicides. This study hypothesized that appropriate fertilization would benefit both crop growth and the biodiversity of farmland weed communi...

The aim of the study was to investigate effect foliar fertilization on morphological and mechanical properties pea seeds (Pisum sativum L.) determine dependences between features chemical composition their susceptibility damage. Field experimentation carried out in 2015–2017 (south-eastern Poland, 49°59′ N, 21°57′ E). Micronutrient conventional (N1) organic fertilizer (N2) were tested eight cul...

Scientific and reasonable application of potassium fertilizer is an important agronomic measure to achieve high yield quality sweetpotato, it great significance determine the appropriate amount in field. For this we constructing a model critical K dilution curve (CKDC) sweetpotato under different N levels crop nutritional statuses. In study, 3-year field experiment was conducted Zhejiang Provin...

.in order to investigate the effects of plant growth promoting rhizobacteria and nitrogen fertilizer on morphological traits of german chamomile (matricaria chamomilla l.), a field experiment was carried out as factorial based on randomized complete block design with three replications in research farm of the faculty of agriculture, university of tabriz, iran, during 2007-2008. factors were ino...

Variable rate technology offers a sustainable, efficient, and cost-effective solution for fertilizer application. A study was conducted to design develop variable applicator detect real-time deficiency of N within the field apply it per requirement crop. The microcontroller system designed receive signal from sensor send pulse-width-modulation valve vary rotational speed hydraulic motor resulti...