Two field experiments were carried out during winter seasons of 2010 -2011 and 2011-2012, at the Experimental Farm of El Kassasein Horticultural Research Station, Ismailia Governorate, Egypt, to study the effect of NPK levels (25, 50 and 100 % of recommended dose), foliar applications (Control, HA, EM and HA+ EM) and magnetite levels (without and 150 kg/fed.) on growth, yield and its components of pea plants (Pisum sativum L.) cv. Master B under sandy soil conditions.Results indicated that increasing NPK fertilizer levels up to 100% recommended dose cause a significant increases in plant growth (plant height, number of branches and leaves/plant and dry weight/plant ) and yield and its components (pod length, number of seeds/pod, weight of 100 seeds and green pods yield/fed).Spraying pea plants with a mixture of HA+ EM gave the highest values of vegetative growth parameters and yield and its components. In the same trends, treated plants with magnetite recorded the highest values of vegetative growth and yield and its components as compared to untreated plants.application of 50% NPK and spraying plants with humic acid + EM plus magnetite at 150 kg/fed recorded higher values of plant growth and green pod yield per feddan as compared to 100% NPK alone (control) without significant difference between both treatments. Fertilizing pea plants with 100% NPK and spraying plants with combination of humic acid + EM with application of 150 kg/fed magnetite gave the highest values of plant growth parameters, yield and its components as compared to other interaction treatments.

The present study was carried out to determine the effect of some residuals of sugar cane products i.e., molasses and vinasses on the vegetative growth, yield and quality of sweet pepper (Capsicum annuum L.) cv. California Wonder in the Experimental Farm of Kaha research Station, Qalubia Governorate during two summer seasons of 2017 and 2018 years were studied. The experiment was set up using splitplot design with three replicates where the fertilization rates with three percents (50%, 75% and 100%) from the recommended mineral fertilization of sweet pepper were assigned in the main plots, while the foliar and the soil application of molasses and vinasses with two rates (4% and 6% as foliar spray) and applied to soil with two rates (60 and 120 L/ fed.) were distributed in the sub plots. The results of this study indicate that, the highest rates from recommended mineral fertilization 75 % and 100% compared with 50% showed significant increase on the vegetative growth characters, yield and its component as well as fruit quality. Concerning to the influence of the treatments of foliar spray or soil application of molasses and vinasses recorded significant differences increases on the vegetative growth characters i. e.; plant length, stem diameter, number of branches and leaves / plant, leaf area/plant and dry weight of plant as well as fruit characters and fruit yield with best quality in both growing seasons. The best treatments were the highest rates from molasses or vinasses (6% as foliar spray) or obtained from using (120 L/ fed. as soil application) compared with the other treatments. Regarding to the interactions between mineral fertilization levels and foliar spray or soil application of molasses and vinasses. The same data clear significant effect of the previous treatment on all vegetative growth parameters and fruits yield with best quality of sweet pepper plants. The superior values were observed with 75 % and100 % of the recommended mineral fertilization with adding molasses or vinasses either soil application at the rates of 60 or 120 L/fed or foliar spray at rate of 6% comparing to mineral fertilizer alone. Generally it can said that, addition of some residuals of sugar cane products i. e., molasses or vinasses improved the vegetative growth and fruits yield with best quality of sweet pepper plants compared with the control (mineral fertilization only) and save 25% from the fertilizer recommendation and recognized the highest benefit cost ratio.

Two field experiments were carried out during winter seasons of 2017 and 2018, at the Experimental Farm of El Kassasein Horticultural Research Station, Ismailia Governorate, Egypt, to study the effect of NPK levels (50, 75 and 100 % of recommended dose) and charcoal levels (without (control), 500, 1000 and 1500 kg/fed.) on growth, yield and its components and seed chemical constituents of pea cv. Master B grown under sandy soil conditions. Results indicated that increasing NPK fertilizer levels up to 100% recommended dose cause a significant increases in plant growth (plant height, number of branches/plant and number leaves/plant), yield and its components (pod length, number of seeds/pod, weight of 100 seeds and green pods yield/fed) and seed chemical constituents, i.e., N, P, K and protein percentage. Treated plants by using charcoal at 1500 kg / feddan gave the highest values of vegetative growth parameters, yield and its components and seed chemical constituents, i.e., N, P, K and protein percentage. Fertilizing pea plants with 100% NPK and application of 1500 kg/fed charcoal gave the highest values of plant growth parameters, yield and its componen and seed chemical constituents, i.e., N, P, K and protein percentage. Application of 75% NPK and Treated plants by using charcoal at 1500 kg / feddan gave higher values of plant growth and green pod yield per feddan as compared to 100% NPK alone (control) without significant difference between both treatments.

Two field experiments were carried out during winter season of 2005-2006and 2006 Governorate. It aimed to study the effect of three irrigation water quantities (800, 1000 and 1200 m 3 /fed.) combined with three sowing dates (20 th Sep.,10 th Oct. and 1 st Nov.) on two cultivars (Victory freezer and Lincoln) of pea (Pisum sativum L.) grown under sandy soil condition using drip irrigation system. The result indicated that increasing water quantity up to 1200 m 3 /fed. led to a significant increase of plant growth (plant height, number of branches , leaves per plant and dry weight ) and yield and its components (number of seeds per pod, weight of 100 seeds, net ratio and Green pod yield per fed.).Sowing pea plants on 10 th Oct gave the highest value of plant height, number of branches and leaves per plant, dry weight of branches and leaves per plant and yield and its components. Victory freezer cultivar recorded the highest value of plant height, number of branches and leaves per plant, dry weight of branches and leaves per plant and yield and it components. Sowing Victory freezer cultivar on10 th Oct. with application of 1200 m 3 /fed.was the best interaction treatment for increasing plant height, number of branches and leaves per plant, dry weight of branches and leaves per plant and yield and its components.