نتایج جستجو برای: weeding at 50 day after planting dap and

تعداد نتایج: 17402669  

زاهدی, مرتضی, پورقاسمیان, نسیبه,

This experiment was conducted at the Agricultural Research Station of Isfahan University of Technolgy in 2006 to evaluate the effects of planting pattern and the level of soil moisture on two safflower cultivars. A factorial split plot arrangement was used in a randomized complete block design with three replications. Two planting patternS (flat and bed planting) and two levels of soil moisture...

اعظم, کمال , خدایاری, فریدون , منظم اسماعیل پور, محمدرضا , گل‌بابایی, فریده ,

Introduction: Heat is one of the hazardous physical agents in the workplace. Exposure to heat and consequent thermal stress influence workers productivity in addition to adverse health effects. The aim of this study was to determine the heat stress induced productivity loss related to different tasks of farmers in Darreh Shahr city, during summer. . Material and Method: This cross-sectional stu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1389

the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...

Journal: :پژوهش های تولید گیاهی 0

in order to identify the best maturity time for excision of fertilized ovules in interspecific hybridization, intercrosses were made between two diploid (gossypium herbaceum and g. arboreum, 2n=26) and two tetraploid species (g. barbadense and g. hirsutum, 2n=52). flower morphology, growth rate of ovules and ovaries, as well as fiber growth pattern in various time scales post anthesis were reco...

Journal: :Diversitas Journal 2021

Cassava production in the state of Alagoas is mostly carried out by small rural producers who adopt little management technology, and routinely do not replace nutrients due to high cost chemical inputs. In this agricultural model, knowledge use strategies that include natural biological processes soil, mainly microbiota present environment, such as arbuscular mycorrhizal fungi (AMF), can be pre...

Journal: :کشاورزی (منتشر نمی شود) 0
محمود صفری مربی پژوهش، موسسه تحقیقات فنی و مهندسی کشاورزی، کرج حسین نجفی استادیار پژوهش، مؤسسه تحقیقات گیاهپزشکی کشور، تهران

in order to comparison of weeds mechanical control for sugar beet, a rotary cultivator was designed and constructed in first year, and compared with other mechanical control in second year. five treatments, included: rotary hoe cultivator, furrower cultivator, rotary cultivator, no weeding and manual weeding were compared. experiment design was random complete blocks design (rcbd) with three re...

Journal: :Revista Caatinga 2023

ABSTRACT The use of high doses vinasse in sugarcane crop can cause modifications the chemical characteristics soil. aim this study was to evaluate effect application on an Ultisol cultivated with for 210 days. treatments used were equivalent 0 (D0), 150 (D150), 300 (D300), 600 (D600) and 1200 (D1200) m3 ha-1 plus a control treatment mineral fertilization. experimental design completely randomiz...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان 1389

until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...

Journal: : 2022

In agriculture, the use of environmentally friendly materials both in place and alongside chemical ones is continuously increasing. Two field experiments were conducted during 2019 2020 seasons to investigate effects foliar application three doses (5.0, 7.5, 10 g L-1) active dry yeast sprayed on maize (Zea mays L. Cv. Tuano) at two intervals, first 54 days after planting (DAP), second 15 later....

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