Field experiment was done in the years 2003 and 2008 in the Agriculturae Experiment Station Lipnik near Stargard Szczeciński on the sandy soil, belongs to the good-rye-complex. The experiment was set up by split-plot method in 5 rep-lications. In this experiment the effects of mineral fertilizing and different soil moisture conditions on the yield of peach cv. ‘Inka’ was studied. The first factor of the study was supplemental irrigation (O – control, not irrigated: W – under crown irrigation). As second factor was different level of mineral fertilizing: 0NPK – (contro- no fertilizing), 1 NPK – 150 kg.ha-1 (40+50+60), 2 NPK-300 kg.ha-1 (80+100+120). Supplemental irrigation was used when the tensiometer have shown that water potential dropped to 0,01 MPa. Sward was between trees and in the rows the herbicidal farrows were kept. It was found that crop in-creased on both objects it means irrigated plots and fertilized. Average under in-fluence of irrigation gathered by 9,11 kg more fruits from 1 tree (42%) than from not irrigated plants. Yields of peach fruits dependent mostly on the supplemental irrigation applied from the April to August it means during critical stages for this plants. Crops of peach fruits increased under influence of 130 ...
Exact laboratory experience was conducted in year 2006. It consisted of a series of tests aimed to determine the effect exerted by water subject to magnetic treatment on germination and growth of examined plants. The following plants were tested: Coriander Coriandrum sativum,, Salvia Salvia officinalis, Bean Phaseolus vulgaris, Cucumber Cucumis dativus. All experiment stages were car-ried out in germination apparatuses, which were provided with bases consisting of two layers of impurity-free absorbent paper. Individual plants were examined according to the following pattern: three repetitions 50 seeds each for the test object and for an object, where water treated with magnetic field was used. Mag-netizer consisting of several sections was used to obtain the effect of water “magnetization”. One section consists of an axially magnetized ring-shaped magnet made of barium ferrite and ring-shaped steel pole. After having pene-trated the pole, magnetic fluxes generated by magnets change their direction from axial to radial [www.crylomag.com.pl]. Magnetizer version used in the experiment is a model without flange with the following parameters: working pressure 0.6 MPa, average water flow 2.25 m3•h-1, induction value 0.30 T. The effect of mag-netic water treatment has been achieved by letting the medium pass through the ...
Field experiments were done in 2002–2004 on sandy soil. Crop productivity of cherry (cv. ‘Kelleris’ i ‘Łutówka’) was tested on different water regime (O – con-trol, W – under-crown- irrigation) and various level of nitrogen doses: 0NPK, 1NPK – 130kg N.ha-1 (40+ 30+60), 2NPK – 260 kg N.ha-1 (80+60+120). The ex-periment was designe by split-plot method in 7 replications. Among the trees was the lawn but in the rows the selective herbicide was used. Irrigation was applied when tensiometer show that potential of soil water was lower than 0,01 MPa. De-pending on rainfall the amount of supplemental irrigation equel 27,5–61,3 mm of water during vegetation period. The paper also presents the results of study on the effect of rainfall and total irrigation rates during vegetation on the content N, P, K,Ca, Mg, sugar, vit. C and dry matter of cherry. The cultivars had similar production capabilities. Irrigation significantly increased the yield, by 1,96 t.ha-1 (36,5%). The highest yield of cherry (6,78 t.ha-1) was obtained from plants, which had been fertilized with 260kg N.ha-1. After three years of the research the content of N, P, Mg, sugar, vitamin C in fruit decreased compare to control plots. Higher mineral fertilization caused ...
Field experiment was carried out in the years 2003–2006 in ES in Lipnik near stargard (Szczecin region) on sandy soil belong to god-rye-complex. The experiment was set up by split-plot method in seven repetitions. Between the trees there was sward and in the rows the herbicidal farrows there kept. The aim of the studies was to determine the effect of under crown irrigation and mineral fer-tilization on the yield of plums cv. ‘Amersis’ and ‘Cacańska Rana’. The first fac-tor of the study was supplemental irrigation (0-control without irrigation: W- under crown irrigation). The second factor was different level of mineral fertiliz-ing: 0NPK, 1NPK – 130kg . NPK. ha-1 (40+30+60), 2NPK - 260kg . NPK. ha-1 (80+60+120). Supplemental irrigation was used when the tensiometer have shown that water potential of soil dropped lower than 0,01 MPa. For irrigation the ‘Hadar’ sprinkler were used (r=2m). Depending on rainfall the amount of ir-rigation from 21,0 to 37,9 mm there used. As effect of irrigation the yields in-creased by 19,2%. The highest increased (36,1%) was obtained in 2006 and the lowest (8,2%) in 2005. To evaluation the effects of mineral fertilizers the highest crops obtained from the plots fertilized with 2NPK ...
The paper presents the results obtained from field experiments conducted in 2002-2003. They evaluated the effect of irrigation and fertilizationof cherry on the yield and mineral content of some macro-and micronutrients in the soil.Years in which the study was conducted were varied in terms of rainfall-thermal conditions. The growing season in 2002 was characterized by a moderate amount of precipitation and air temperature,while the year2003 was clearly dry and warm. In the study of fruit crops increased under the influence of irrigation, an average of 2.5 kg in terms of a single tree. Similarly, applied fertilizer increased yields of cherries, but the biggest influence was spreading at 1NPK. Under the influence of a higher dose 2NPK fertilization, fruit yield has not increased. Agrotechnical used modified the soil chemcal properties. The most affected was N in the layer of topsoil and under. ...
In environments with a high salinity are halophytes, which are exposed not only to the stress of salinity but also the stress associated with a deficiency of oxygen The gradual build-up of the problem in areas used for agriculture, affects the orientation of research, aiming at the selection of crops with high tolerance to saline soils, including irrigated.The aim, carried out in 2008-2009 experience, was the choice of plant species for phytoremediation of soils irrigated and fertilized for many years.The conducted experiments show that, of the growth and development of plants, to assess their suitability reclamation of saline soils, most of the nitrogen is indicated and greening index, to a lesser extent the height of the plants.There was an interaction between fertilization and the formation of species of fresh and dry weight of plants.This was mostly fresh and dry weight of aboveground and in the case of roots, only their fresh weight.Given the increase in salinity of the ground and most studied plants showed resistance to salinity white mustard, corn and least resistant species was yellow lupine. This is evidenced by lower salinity, the concentration of calcium, potassium and phosphorus in the soil subjected to many years of irrigation and ...
The aim of this study was to assess the impact of microsprinkler and nitrogen-potassium fertilization on photosynthetic activity and quality of two varieties of cherry crop.The study was conducted in 2008-2009 (in the tenth year after planting), the varieties of cherry trees 'Łutówka' and 'Kelleris'. The experiment was a randomized block design in the system dependent (called split-plot) in seven iterations. Trees grown in the span of 4 x 2 mThe use of irrigation and nitrogen and potassium fertilization effect on physiological processes. Trees irrigated intensively assimilated carbon dioxide and water transpired. But had no effect on the concentration of CO2 in the stomatal apparatus. Irrigation has contributed to the reduction of nitrogen index and greening leaves on each tree crown height. The increase in fertilizer N and K increased the value of both indicators.Significantly more efficient photosynthetic apparatus of leaves found in the variety 'Kelleris'.Under the influence of irrigation increase in average fruit yield of the two varieties was 10.3%.Among the larger yielding varieties showed 'Kelleris', although the difference in yields was not large.The use of additional nitrogen-potassium in a dose of 160 kg ha-1 increased fruit yield, as compared to the control was 12.5%.No significant effect of experimental ...
In 2007-2009, at the Experimental Agricultural Station in Lipnik near Stargard Szczeciński, a field experiment was performed on acid brown soil of the good wheat complex. This soil in the topsoil contained 8.2 g kg-1 of organic C, had a slightly acid reaction and a low contents of available forms of P (30.1 mg kg-1) and K (45 mg kg -1). During the growing season the ground water level re-mained below 3.0 m.The aim of the studies was to compare the yield potentials of corn and two hybrids of sweet sorghum cultivated in conditions of various humidity of the light soil. On the plots with and without drop irrigation, sweet sorghum (the Sucrosorgo-506 and Rona-1 varieties) and corn (the variety Oldham FAO-250), of which the latter was the species compared. The times and doses of irrigation were determined based on indications of soil tensiometers. To the irrigation a dropping line of a capacity of 2.4 l h-1 of water and emitters spaced 30 cm apart was used. The combined doses of water depended on the timing and amount of rain-falls and were: in 2007 - 40 mm, in 2008 - 150 mm, in 2009 - 110 mm. The plant density ...
We are seeing in our country, a marked increase in the level of agricultural technology. More and more attention is paid to the quality of the water used, as well as seed of high quality. It is required that he possessed the highest energy and germination capacity.Attract much interest as yet little appreciated, so. ecological factors to improve the value of sowing seeds, among others.: ionizing radiation, magnetic and electric field. Particular attention is attracted by the magnetic field method used in the treatment of water used for irrigation. Contrary to appearances, it is a little cumbersome, and does not require large amounts of cash.The aim of this study was to determine the effect of magnetic water activation on the dynamics of germination and initial growth of selected species of herbs.Two-factor laboratory experiment was carried out in 2008-2009. It consisted of several series of measurements, which were designed to evaluate the effect of magnetically treated water, the value of sowing seeds and growth of seedlings of selected species of herbs.The results confirmed the reaction varied seed, herb species assessed, the type of water used. In early studies found a higher percentage of germinated seeds with water magnetized objects. Was greater ...
In the years of 2003–2005 two-factors field experiment was set up in ES Lipnik near Stargard Szczeciński on the sandy soil (good rye complex) and a small retencion of usefulness water. The aim of the study was to determine the ef-fect of irrigation and mineral fertilization on the photosynthetic activity the leaves of some species of stone fruit trees. All experiments were done on the trees 4 years after planting. The experiments were designer by split-plot method in 7 replications with cherry, 5 replications with peach, and 4 replications with plum. Among the trees was the lawn but in the rows the selective herbicide fallow was kept. Two factors were considered: irrigation (O – control, W –under – crown ir-rigation) and mineral fertilization for cherry and plum 0 NPK – control (without fertilization), 1 NPK – 130 kg NPK•ha-1, 2 NPK – 260 kg NPK•ha-1; and for peach 0 NPK – control (without fertilization), 1 NPK – 150 kg NPK•ha-1, 2 NPK – 300 kg NPK•ha-1. Measurements of cherry, peach and plum leaves photosynthesis were done on well developer leaves on one year old branches. On basic of obtained results was found that photosynthetic activity of cherry peach and ...
A field experiment was conducted in 2003 and 2005 at the Experimental Station Lipnik near Stargard, on acid brown soil. The soil is classified as quality class IVb, good rye complex, and for cultivation of light soils with low water re-tention useful. We evaluated the use of water for cherry grown under different water and fertilizer. The experiment was randomized block design in the system dependent (called a split-plot), in seven replications in the experiment. The research was conducted on trees in the fourth year after planting, fall within the third year of fruiting. Maintained grass between the trees, and rows of trees - herbicide fallow. The factor I was watering under-crown: O-control (without irrigation), W-irrigated sites, where soil water potential fell below 0.01 MPa. Irrigation system was used under-crown in which water was distributed by type of Hadar sprinkler scale spraying for cherry-1m. Second factor was the mineral fertilization NPK 0 - control (without fertilization), 2 NPK - 260 kg NPK. ha-1 (80 +60 +120). Nitrogen fertilizers applied in early spring, before moving the vegetation, while phosphorus and potassium in the autumn according to the agrotechnical. Based on water intensity ratio of photosynthesis to transpiration and photosynthetic rate were ...
A field experiment was conducted in 2003 and 2005 at the Experimental Station Lipnik on acid brown soil. The soil is classified as quality class IVb, good rye complex, and for cultivation of light soils with low water retention useful. Evaluated the use of water for plum grown under different water and fertilizer. The experiment was randomized block design in the system dependent (called a split-plot), in four replications in the experiment. The research was conducted on trees in the fourth year after planting, fall within the third year of fruiting. Maintained grass between the trees, and rows of trees - herbicide fallow. The factor first was watering under-crown: O-control (without irrigation),W-irrigated sites, where soil water potential fell below - 0.01 MPa. Irrigation system was used under-crown in which water was distributed by type of Hadar. Second factor was the mineral fertilization NPK 0 - control (without fertilization), 2 NPK - 260 kg NPK. ha-1 (80 +60 +120).Nitrogen fertilizers applied in early spring, before moving the vegetation, while phosphorus and potassium in the autumn according to the agrotechnical. Based on water intensity ratio of photosynthesis to transpiration and photosynthetic rate were determined using (WUE) and photosynthetic rate of the instantaneous ...
Field experiment was done in Agriculture Experiment Station Lipki near Szczecin. As objects of studies were 1, 8, 9 and 10 years old blueberry plants cul-tivated on the acid brown soil belong to good rye complex. Before planting be-tween the rows of plants 10 cm layer of sawdust obtained from coniferous trees was spread and mixed with the soil. Growth and yielding of two varieties ‘Spartan’ and ‘Patriot’ irrigated and not irrigated. Plants were irrigated using dropping lines with emitters collocated every 30 cm with total efficiency of 2,4 l.h-1. Tensiometers show the need of irri-gation. Field and plants were irrigated when soil suction power was bigger than 0,01 MPa. Every year blueberry plants were fertilized with 60 kg N.ha-1 and doses of P and K depended on their concentration in soil. Total doses of water used for irrigation depended on yearly precipitation equal in 2005y. – 128 mm, 2006y. – 300 mm, 2007y. – 400 mm and in 2008y. – 200mm. Blueberry cv. ‘Spartan’ was more productive (9,62 t.ha-1) than ‘Patriot’ (8,3 t.ha-1). As effect of supplemental irrigation average crop of ‘Patriot’ variety increased by 8,36 t.ha-1 and ‘Spartan’ by 7,94 t.ha-1. Weight of 1000 fruits ...
The aim of the study was to determine the effect of drip irrigation on yields of summer squash cv. ‘Danka' grown under conditions of the two localities: Lipnik near Stargard Szczeciński (soil of quality class IVB, and of good-rye-soil-complex) and Kruszyn Krajeński near Bydgoszcz (soil of quality class V, and of weak-rye-soil-complex). The experiments were designer as one-factorial trias. One factor was considered - drip irrigation (control, drip irrigation). Drip irrigation was conducted according to soil tensiometer indications (-0,04 MPa). Drip irrigation - both in Lipnik as well as in Kruszyn Krajeński - significantly increased marketable yields of summer squash ‘Danka'. Higher increases in yields due to irrigation were obtained in Kruszyn Krajeński. Mean marketable yield of summer squash fruits in Lipnik was higher than that obtained in Kruszyn Krajeński. Fruits in Lipnik were characterized by the higher weight as compared to those in Kruszyn Krajeński. Summer squash plants in KruszynKrajeński - irrespective of expe-rimental water treatment - were characterized by the higher number of fruits.
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