The paper shows the development of strawberries crop area in Behera governorate during the period 2001-2015 showing that its lower area was about 150 feddan and its maximum area was about 2320 feddans. The general time trendof area was 120 feddans a year during the studied period.  Strawbarries production, on other hand, was between 600 ton and 6830 during the above period.  Despite the importance of strawbarries are in the governorate, its total production was only 42.731 or 48% of total production in Egypt. This may be explained by the low productivity of most varieties cultivated by farmers. For this, the study is concerned with the cultivation of varieties with high productivity per feddan.   The study depends on the results of a sample of farmers in the governorate to estimate production and cost functions to evaluate factors affecting these functions. The study reveals that the sample farmers in Kom hamada-which represents about 81% of total strawbarries production are producing in the first stage of the production function. This means that farmers do’ nt  use the optimum method of production. The study estimate cost production and the size of farm that minimize cost and that maximize profit for the farm four groups and for the total sample.

Lentil and Chickpea seeds were used to investigated the effect of seed sprouting using tap and saline water on sprout growth, proximate analysis, energy, minerals content, anti-nutritional compounds and amino acid profile of sprouted samples comparing with dry seeds. Result revealed that higher NaCl concentration > 2000 ppm reduce sprouts radical length of both lentil and chickpea. Sterilized seeds sprouting using tap water and non-sterilized seeds sprouting using saline water decreased sprout moisture content and carbohydrate which resulting in reducing faecal and total coliform counts for both lentil and chickpea. Moreover these treatment increased protein content and energy, (Kcal /g) as compared with dry seeds and other treatments. Sprouting decreased antinutritional compounds compared with dry seeds with sharbly decreament in phytic acid followed by taninins content. Mineral content in sprouts were recorded. The chickpea sprout sample using steralized seeds with tap water for sprouting serve as good sources calcium and phosphorous . Amino acid profile of lentil and chickpea sprouts were also studied. Sprouts using saline water recorded higher lysine amino acid value compared with dry seeds while non-steralized chickpea seeds sprouts using saline water recorded the higher total sulpher amino acid (Methionen + Cystiean) value. Based on these results, sprouting process is recommended to increase nutritive value and decreased antinutritional compounds of lentil and chickpea seeds.

The wide and indiscriminate use of pesticides for pest control in agriculture has inflicted serious harm and problems to humans as well as to the biodiversity. Microbial degradation of pesticides in contaminated soils has been considered advantageous to decontaminate areas that have been polluted by pesticides. Chlorpyrifos and diazinon were the most persistent residues in Egyptian soils. Four bacterial isolates were isolated from organophosphorus insecticides contaminated soils and genetically identified based on DNA sequence of 16s rDNA gene, Cronobacter muytjensii GH10, Achromobacter xylosoxidans GH9OP, Pseudomonas aeruginosa GH2NO8 and Pseudomonas putida GH4SNO/P were able to degrade 92.59%, 97.75%, 91.82%, and 90.78% of diazinon (600mg/l) as compared with 16.99% in control and 93.43%, 78.51%, 93.18% and 95.36% of chlorpyrifos (480mg/l) as compared with 4.28%, in control, respectively after 20 days of incubation.

The effect of benzyl adenine (BA) at 0, 2, 4, 6 and 8 mg l-1 on micropropagation of banana shoot tips was studied. This study also included the morphological responses of banana shoot tips especially with 0 & 6 mg l-1 of BA treatments in relation to some biochemical compositions (total soluble phenols, free amino acids, total soluble sugars, chlorophyll a, b and carotenoids). Growth in 6  mg l-1 of BA resulted in increase in the most morphological parameters compared to the rest treatments. The results showed that 6 mg l-1 of BA treatment significantly increased fresh and dry weights, number of shootlets, shootlet and root length and number of leaves and roots/plantlet as compared without BA. Accumulation of total soluble sugars, free amino acids and chlorophylls was enhanced by 6 mg l-1 of BA while the reverse was true with the rest biochemical compositions (total soluble phenols and carotenoids). The biochemical status and BA treatment at 6 mg l-1 during micropropagation of shoot tips in banana may be important for the development and optimization of strategies for large scale propagation and germplasm conservation.

Egyptian agricultural lands are subject to many constraints and challenges which negatively impact the ability of the state to produce the food needs of the present and the inability to provide food needs As a result of the difficulty of reexploiting the land in agricultural activity with the same efficiency, only by providing a large amount of financial resources that were supposed to be directed to the development of the agricultural sector and improve the standard of living of the population. The research aims to study the role of agricultural policies in the development and protection of agricultural land, The results showed, the land area of the first class declined to less than 45% during the period (1996-2000), The total area of agricultural land that has been violated since 1983 until 1/10/2017 about 318.5 thousand acres, of  which about 27 thousand acres, the percentage of the removal of the violations of about 30.20 % Since 25/1/2011 until 1/10/2017. It is expected that the proportion of agricultural land of the total area of the total area of Egypt  about 3.88% in 2016 and will be about 4.06% in 2020, an increase of about 1.4%, representing about 52.6% from 1990 .The results of the analysis showed that the area will increase in the coming years, Means that the policies are in the right direction towards the sustainability of agricultural land resources with the need to follow up and develop solutions that reduce and respond to the deterioration and decline of agricultural land in Egypt to achieve sustainable agricultural development.

ones are the most dominant in the new reclaimed areas in Egypt. The main production constraints of this type  of  soil  are  low in organic carbon,  porosity,  stable aggregates, water retention capacity, and biological  activities. Agriculture soil should have not only a good structure but also a good structure which can persist for a long time (e.g., a structure of high quality and stability). Soil aggregates are structural units of soil, which create complex pore systems controlling gas and water storage and fluxes in soil. Formation and stability of natural soil aggregates are affected by dozens of different factors and their individual effects are hardly distinguishable. Therefore, to observe more clear the mechanisms governing their water and mechanical stability, it was found necessary to  study soil  aggregates. In that sence, some studies showed encouraging findings of increasing soil stable aggregates due to using different soil conditioners. The objective of this work is to assess some extracellular polysaccharides biopolymers, i.e., Dextran, Alginate, Xanthan, Pullulan, and Curdlan, which were produced in our laboratory under the most suitable production conditions, to test their effects on the physical proprerties of soil taken   from Toshka region at Aswan Governorate of Egypt. Data showed that soil porosity and MWDwet values have significant differences between all treatments and control under un-leaching processes. On the Other hand, in leaching processes, significant differences between all treatments and control were observed except in some treatments that using lower ratios of Pullulan and Curdlan biopolymers (i. e. 0.4, 0.6 and 0.8%). Generally, the beneficial order of enhancement of aggregate stability was obtained with Dextran, followed by Alginate, Xanthan, Pullulan, and Curdlan.

Pots experiment was conducted in the experimental farm of Agricultural Botany Department, Faculty of Agriculture, Ain Shams Univ. during the seasons of 2015 and 2016 to investigate the effect of grafting on salt tolerance of watermelon plants. Watermelon (Citrullus lanatus, Hybrid F1) Aswan1 was grafted onto the rootstock of Flexifort pumpkin (Cucurbita maxima x C. moschata) and irrigated with four different concentrations of NaCl (0.0, 2000, 4000, 6000 ppm). Two samples were taken at  20 and 40 days after planting (DAP). Plant height, leaf numbers and area, branches number, root length, and shoot and root fresh and dry weights were negitavly affected by salinity in ungrafted plants and this effect was directly proportional to NaCl concentrations. On the contrary, grafting positively affected the aforementioned parameters and minimized the harmful effect of salinity. Furthermore, grafted plants showed higher growth vigor comparing with ungrafted control plants or plants received the same treatment of NaCl and these effects were mostly siginificant. An increase in membrane permeability (MP) was detected at 20 and 40 DAP by application of different levels of NaCl salinity and this effect was positively correlated with NaCl concentration. Grafted plants showed decreasing in MP with 12.7% higher LRWC than ungrafted plants. Under 2000, 4000, 6000 NaCl ppm salinity levels, the values of salt injury index recorded 15.1, 26.5 and 37.5 in ungrafted plants at 20 DAP comparing with 0.0, 6.9 and 12.9 in grafted ones.

Possibility of manipulating some of the efficient strains of fluorescent pseudomonads to manage the root-infecting pathogens of maize was studied throughout this study.  Out of 110 isolates 24 of Pseudomonas species, recovered from the plant rhizosphere showed to have inhibitory effect against two major root-infecting pathogens of maize, namely Cephalosporium maydis and Fusarium verticillioides in vitro. Pot experiment revealed that just 4 isolates could reduce infection with both pathogens and enhance the plant growth as well. Based on the genotypic identifications of these four isolates showed that they were: Pseudomonas putida strain Pau9, P. putida strainPau11, P. putida strain Psf3 and P. aeruginosa strain Psf9.

Tillage erosion is one of the main causes of land degradation. The objective of the present study is to evaluate the effect of tillage systems (up and downslope and contour tillage), soil conditions (consolidated and loosened soils), tillage depth, speed and slope on tillage erosion rate. Field experiments of variable slopes (3 - 16%) were established on sandy soil of Wadi El Ramala, west Mersa Matruh City. Soil translocation as affected by tillage systems and soil conditions were examined. In addition, soil losses by tillage erosion and water erosion were measured and evaluated. The experimental results showed that the average displacement distance is a function of gradient slopes, soil condition, tillage system, depth and speed. The validation of the soil translocation model developed by (Van Muysen et al 2000), under different gradient slopes, tillage depth, speed and soil condition were evaluated. This validation showed that variations in tracer displacement distance can be successfully predicted. Consequently, such model can be used under sandy soil. Finally, experiment results showed that tillage operations with a chisel plow under present agricultural practices are responsible for the major field redistribution of soil. Furthermore, it is clear that tillage of a loosened soil is far more erosive than tillage of a consolidated soil, where the tillage transport coefficient (K) was 105 kg.m-1 per tillage operation for consolidated soil and 179 kg.m-1 for loosened soil under contour tillage. However, 256 kg.m-1 per tillage prevailed for consolidated soil and 454 kg.m-1 for loosened soil under up and downslope tillage treatments.

The cropping pattern considers how to use the available agriculture resources from land, water, farmers ,capital and information technology. Thus the main objective of this study determines the optimum cropping pattern that will maximize net return and maximize net return of irrigation water . To achieve the main objective of this study the method of  Goal programming .has used .The results of research shown that: The available area was about 14.63 million Fadden has been fully used , The model maximize the total net return of the current crop in A.R.E.it estimated from 68.51 to 69.17 billion pound annually which increase about 0.66 billion pound which represent 1% from the current crops. While the total quantity of requirement water decrease from 61.19 to 58.95  billion cubic meter ,which decrease about 2.24 billion cubic meter which represent 3.66% of the current quantity of water. While the net return irrigation water for crops increasing from 1.12 to 1.17 pound /cubic meter which increase about 0.054 pound /cubic meter that represent 4.83% of the current net return irrigation water