نتایج جستجو برای: i1 once irrigation in boll opening stage

تعداد نتایج: 17031292  

Journal: :پژوهش های تولید گیاهی 0
کوروش مجدسلیمی مرکز تحقیقات چای کشور

in order to investigate the effect of nitrogen fertilizer on tea yield and yield components in supplemental irrigation and rain fed conditions an experiment was conducted at feshalam tea research station in fouman (guilan) during (2008-2010). in this study, line-source irrigation technique and the strip plot experiment on randomized complete block design was used. six levels of nitrogen, zero, ...

Journal: :International Journal of Enviornment and Climate Change 2023

A field experiment was conducted during three seasons of 2019-20 at RPCAU, Pusa to evaluate the Effect Diversification on System Productivity and Profitability under North Bihar Condition. Treatment comprised cropping systems in main plots: C1 - Rice Wheat Fallow, C2 Green Gram, C3 Maize Dhaincha, C4 + Potato C5 Pea Dhaincha moisture regimes sub plots with 3 days disappearance ponded water khar...

Journal: :Journal of economic entomology 2004
Thomas W Sappington Alan D Brashears Megha N Parajulee Stanley C Carroll Mark D Arnold Roy V Baker

There is concern that cotton gins may serve as loci for reintroduction of boll weevils, Anthonomus grandis grandis Boheman, to eradicated or suppressed zones when processing weevil-infested cotton from neighboring zones. Previous work has shown that virtually all weevils entering the gin in the seed cotton will be removed before they reach the gin stand. Those not killed by the seed cotton clea...

Journal: :Plant physiology 1985
G Guinn

A decline in growth, flowering, and boll (fruit) retention is referred to as cutout in cotton (Gossypium hirsutum L.). Fruit load affects cutout, possibly through hormonal effects. Experiments were conducted to test the hypothesis that fruits are a source of abscisic acid (ABA) that moves into fruiting branches and growing points where it inhibits growth, flowering, and boll retention. Removal ...

 In order to study the effects of bio fertilizers application on quantitative and qualitative yield, proline content and activity of some antioxidant enzymes in sunflower (Helianthus annus L.  var.  Urofelor) in different irrigation withholding levels, a factorial experiment was conducted based on randomized complete block design with three replications in research farm of faculty of Agricultur...

The present study was conducted in order to investigate the effect of salicylic acid on growth, yield and macro-elements absorption of fennel in split-plot as base on randomized complete block design (RCBD) with three replications in Tehran, Iran. Irrigation regime as main plot was undergone in 5 levels that included: I1: full irrigation, I2: cut off irrigation at stem elo...

تراهی , عزیز, تیشه‌زن, پروانه, گرشاسبی, محمدرضا,

Drought is one of the most important stresses for crops that do not have same effects on growing stages. Recently, drought involved many various agriculture crops such as Date palm tree. This experiment carried out in a randomized complete blocks design with six treatments and five replications, in order to determine the critical and sensitive stages of date palm growth to water stress. The tre...

Journal: :SN applied sciences 2021

Abstract This experiment was conducted to determine the effect of kaolin clay application and deficit irrigation on quantitative characteristics pumpkin in a field located Siahbaz village Khoy, Iran. In order investigate yield components ( Cucurbita pepo L.), this experimental considered. An performed with at four levels (complete irrigation, from shoot stage, flowering stage seed filling stage...

2006
Dave Guthrie

Peak bloom is one of the most recognizable periods in cotton development Fields may become blanketed with white blooms as boll loading accelerates to a maximum. This landmark developmental stage signals that a shift is occurring in the crop's biology and your management priorities. This newsletter will profile the crop at peak bloom and outline some management considerations that can affect per...

Journal: :International Journal of Enviornment and Climate Change 2023

A field experiment was conducted in sandy loam soils to study the Growth and Yield parameters of six different crops with limited number irrigations under a zero-till system rice fallows during rabi, 2021-22 at Agricultural College Farm, Naira. The laid out split-plot design, replicated thrice three irrigation levels viz., two (I1), (I2) four (I3) assigned main plots fallow Maize (C1), Sorghum ...

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