نتایج جستجو برای: sole cropping of cowpea weed infested

تعداد نتایج: 21168347  

Journal: :بوم شناسی کشاورزی 0
علیرضا کوچکی مهدی نصیری محلاتی حسن فیضی شهرام امیرمرادی فرزاد مندنی

in order to study the effect of strip intercropping of maize (zea mays l.) and bean (phaseolus vulgaris l.) on the dry matter yield and land equivalent ratio (ler) in weedy and weed free treatments, an experiment was conducted at the agricultural station of college of agriculture, ferdowsi university of mashhad, iran. treatments were strip width of 2, 3, 4 and 5 rows and sole cropping of each c...

Journal: :بوم شناسی کشاورزی 0
سارا صفی خانی محمدرضا چائی چی احمدعلی پوربابائی

in order to study the effect of different n fertilizer on berseem forage in an intercropping with basil, this experiment was conducted in research farm of college of agriculture, university of tehran during growing season 2011. experimental treatments were arranged as split plots based on a randomized complete block design with three replications. different fertilizers consisted of control (no ...

2010
A. SANCHEZ JOSE R.

A low-input cropping system has been developed at Yurimiaguas, Peru, to serve as a transition technology between shifting and continuous cultivation for acid soiln of the humid tropics. Principal features are slash-andburn clearing, rotation of acid-tolerant upland rice and cowpea cultivars, maximum residue return, no tillage, and no lime or fertilizer apoiications. When yields decline as a res...

Journal: :Journal of entomology and zoology studies 2022

Field experiments were conducted at Yaba College of Technology Instructional and Research Farm during 2019/2020 wet dry seasons to investigate the performance cowpea chilli pepper intercropping for management insect pests cowpea. The experiment was arranged in alternate (chilli cowpea), strip cropping border around cowpea) sole a randomized complete block design (RCBD) replicated three times wi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1375

این آزمایش با استفاده از طرح بلوکهای کامل تصادفی با 8 تیمار و در 3 تکرار با هدف اصلی تعیین دوره بحرانی رقابت علفهای هرز با سیب زمینی در مزرعه مرکز تحقیقات کشاورزی خراسان انجام شد. تیمارها شامل دو گروه 4 تایی بودند. در گروه تیمارهای (weed free) به مدتهای 3، 6، 9 و 12 هفته پس از سبزشدن سیب زمینی، مزرعه عاری از علفهای هرز نگه داشته شد و در گروه تیمارهای (weed infested) به مدتهای 3، 6، 9 و 12 هفته ...

Journal: :Agronomy 2023

In the West African sub-region, intercropping is a critical element in cowpea product profiles. This study aimed to investigate impact of with pearl millet on genetic correlations, heritability, and response selection. Thirty-five genotypes one variety were used create three cropping patterns: sole cowpea, 1:1 (one row cowpea), 2:4 (two rows four cowpea). Split-plot experiments conducted for tw...

Journal: :International Journal of Enviornment and Climate Change 2023

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...

Journal: :iran agricultural research 2016
j. aminifar m. ramroudi m. galavi g.r. mohsenabadi

abstract- declining land productivity associated with decreasing soil organic carbon and nutrients is a significant issue in monoculture production. the field experiment with different rates of fertilizer systems (60 kg ha-1 n + 100 kg ha-1 p, 300 kg ha-1 bio-organic (organic fertilizer), 3 kg ha-1 bioumik (biofertilizer), 30 kg ha-1  n + 50 kg ha-1 p + 150 kg ha-1 bio-organic fertilizer and 30...

Journal: :international journal of advanced biological and biomedical research 2014
safar nasrollahzadeh jalil shafagh-kolvanagh mojgan mohammadi parisa aghaie-garachorlu

an experiment was conducted at the research farm of the faculty of agriculture, university of tabriz, iran in 2012 to study the effect of intercropping of chickpea and dragon’s head on yield, yield components and morphological traits of dragon’s head as affected by four weed management time. the experiment was laid out in rcb design with three replications. intercropping patterns included; a1, ...

Journal: :بوم شناسی کشاورزی 0
عبدالرضا احمدی علیرضا دارایی مفرد

introduction in agronomy, natural outlook has been expressed in different forms which stable agriculture is an example. stable agriculture is ascribed to the authentic management of agricultural resources, which in addition to fulfilling the ever-changing needs of humans, maintains the health of environment and capacity of water and soil resources. application of herbicides, besides being costl...

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