نتایج جستجو برای: fertilizer and pesticides
تعداد نتایج: 16832097 فیلتر نتایج به سال:
This research aims to extract neem oil from kernels of Neem seed. The extracted was used for bio-pesticide control pests. An presser machine extraction the oil. results obtained showed that an average 140ml/kg seed kernel. based insecticides are botanical pesticides safer environment and public. Various studies have shown is non-toxic birds, beneficial insects. Moreover, can be as fungicide, in...
in order to study effects of nitrogen fertilization and cultivars on some of traits of different barley an experiment was conducted at isfahan in 2012. the experimental was split plot in a randomized complete block design with three replications. in this experiment, different levels of nitrogen in the main plots included four levels (0, 50, 100 and 150 n kg/ha (urea)) and barley cultivars inclu...
Exposure to pesticides could be one of the contributing cause to the falling sperm counts and rising levels of male infertility. Adverse effects of pesticides in the environment first received widespread attention in the 1960s. However, only recently it has been postulated that long term, low exposure of these chemicals are increasingly linked to human health effects such as immuno-suppression,...
The misuse of pesticides and their overdose on vegetables has an impact people's health. purpose this study was to evaluate the cultivation phytosanitary practices tomato growers at Loumbila Ouahigouya vegetable growing sites. A survey cultural carried out among 25 producers these two market gardening Results show that 16% use dams 80% traditional wells as a source water supply. inputs used are...
the experimental was split plot in a randomized complete block design with three replications. in this experiment, different levels of nitrogen in the main plots included four levels (0, 50, 100 and 150 n) kg.ha-1 urea and wheat varieties, including cultivars, sepahan and sw were placed in the subplots. results showed that nitrogen fertilizer and cultivar were significant effects on maximum lig...
Abstract Coffee is a plantation crop that has high economic value. One of the obstacles in cultivation coffee plants attack plant parasitic nematodes, including Pratylenchus coffeae, Radopholus similis , and Meloidogyne spp. The reported nematode control technologies are implementation organic fertilizers, botanical pesticides, biological agents. This study aimed to determine effect fertilizer,...
In order to assess the effects of different pesticides on nutrient levels of rice, three pesticides (Diazinon, Tricyclazole and Butachlor) which are commonly used in paddy fields in Iran were selected in a randomized complete block with 3 replicates in field condition. The result indicated that the impact of different pesticides on total protein and nitrogen, phosphorus and potassium ...
recently, with increasing public awareness of food safety, developments of some valid and rapidly analytical methods are required for the determination of residual pesticides in crops.this study was conducted on validation of a reliable, accurate and precise method for multi analysis of pesticides residue in melon as a main fruit in iranian food basket. a reliable, and valid method based on spi...
Palm oil production at PT. Mustika Agung Sentosa in 2020 did not reach the target. This study aims to determine: factors that affect productivity of palm Sentosa. research is quantitative descriptive. The data used secondary (cross section) results obtained from company 2020. analysis technique multiple linear regression using Cobb-Douglas function. showed variables pesticides (X1), fertilizers...
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