scholarly journals Examination of extreme water-balance of maize cultivar in different crop rotation systems in 2007

2008 ◽  
pp. 33-40
Author(s):  
Lajos Fülöp Dóka

We examined the change of the time of water balance of soil in long-term experiment, on chernozem soil, in different croprotation systems (mono-, bi- and triculture). We found the smallest difference between the water deficit of not irrigated and irrigated plots in triculture. We concluded that irrigation impressed favourably on water balance of soil in both of crop-rotation systems. Water deficit has decreased significantly after irrigationin 25. May in mono- and triculture. Irrigation moderated only values of water deficit. Irrigation in 30. June not influenced water balance of soil in both of crop-rotation because of a big drought. Water deficit of soil lessed till harvestperiod because of rainy season at the end of August and in September.

2019 ◽  
Vol 71 (3) ◽  
pp. 472-483
Author(s):  
Luis López-Bellido ◽  
Rafael López-Bellido ◽  
Purificación Fernández-García ◽  
Verónica Muñoz-Romero ◽  
Francisco Javier Lopez-Bellido

2013 ◽  
Vol 100 (2) ◽  
pp. 137-142 ◽  
Author(s):  
Srđan Šeremešić ◽  
Ivica Đalović ◽  
Dragiša Milošev ◽  
Đorđe Jocković ◽  
Borivoj Pejić

2016 ◽  
pp. 9-13
Author(s):  
Gergely Szilágyi

We tested the fertilizer reaction of four different winter wheat varieties in three different crop years, on chernozem soil, in long-term experiment. We examined the optimum fertilizer requirements and the maximum yield of the varieties. According to our results there were significant differences among the years: the yield of the winter wheat varieties changed between 1.4–6.1 t ha-1 in 2013, 3.8–8.6 t ha-1 in 2014 and 3.2–8.6 t ha-1 in 2015. The yield increasing effect of fertilization was significantly different in the tested years. The optimum level of fertilization was determined by, besides the genetic differences among the varieties, the crop year and the extent of fertilization. In milder winter months, due to the higher average temperatures, yields of winter wheat increased compared to an average crop year.


2013 ◽  
Vol 44 (13) ◽  
pp. 2019-2031 ◽  
Author(s):  
A. Calegari ◽  
S. Tourdonnet ◽  
D. Tessier ◽  
D. S. Rheinheimer ◽  
R. Ralisch ◽  
...  

2010 ◽  
Vol 106 (2) ◽  
pp. 227-240 ◽  
Author(s):  
Christopher R. Boomsma ◽  
Judith B. Santini ◽  
Terry D. West ◽  
Jason C. Brewer ◽  
Lauren M. McIntyre ◽  
...  

2017 ◽  
Vol 18 (1) ◽  
pp. 50
Author(s):  
Daniela Da Rocha Vitoria Krolow ◽  
Ivan Renato Cardoso Krolow ◽  
Danilo Danilo Dos Santos Rheinheimer ◽  
Tânia Beatriz Gamboa Araujo Morselli ◽  
Ademir Calegari

2014 ◽  
pp. 139-144
Author(s):  
Enikő Vári

The experiments were carried out at the Látókép experimental station of the Centre for Agricultural Sciences of University of Debrecen on chernozem soil in a long term winter wheat experiment. As forecrop rotation, we set up two models: a biculture (wheat and corn) and a triculture (pea, wheat and corn). We applied three levels of nutrients during the fertilization process (control, N50P35K40 and N150P105K120). The third variable studied was irrigation in case of which we tested non-irrigated variables (Ö1) and irrigation variables complemented up to the optimum (Ö3). The effect of pre-crops, irrigation and nutrient-supply levels on some growth-parameters (LAI, LAD), weight of dry matter, just as SPADvalues and yield amounts of winter wheat has been investigated in this experiment. We tried to find out the extent of relationship between the different parameters, and we used the correlation analysis. The correlation analyses have confirmed that all of the investigated parameters had almost in all cases close positive correlation to the yield amount. These results have confirmed that the leaf area, the leaf duration, the SPADvalues, the fertilization and the forecrop have altogether resulted in the production of maximum grain yields.


2016 ◽  
pp. 77-80
Author(s):  
Gergely Szilágyi

Our field researches took place on the Látókép test farm of Agricultural Science Centre of University of Debrecen, Centre for Agricultural and Applied Economic Sciences, in long-term experiment, on calcareous chernozem soil, in growing season of 2014/2015. In our experiment we examined the fertilizer reaction and the yield of different winter wheat genotypes (GK Öthalom, GK Csillag, Mv Csárdás, Mv Toldi) with grain maize and sweetcorn forecrops. According to our results, the sweetcorn forecrop strongly affected the yield. In the average of the fertilizer treatments and the varieties, after sweetcorn forecrop 6.9 t ha-1, after grain maize forecrop 5.4 t ha-1 average yield was gained. According to our data, the fertilizer reactions of the varieties were significantly different.


2011 ◽  
Vol 51 (No. 12) ◽  
pp. 539-544 ◽  
Author(s):  
E. Bakšienė ◽  
V. Janušienė

The possibilities to use sapropel for fertilisation have been investigated at the Voke Branch of the Lithuanian Institute of Agriculture since 1984. The experiments were carried out on sandy loam Haplic Luvisols in the crop rotation (maize, barley, clover, winter rye, potatoes, oats) with the application of 50, 100, 150, 200 t/ha rates of dry calcareous sapropel and 30 t/ha of dry manure on the background of mineral fertilisers. Sapropel was applied only to the first crop (maize) in the rotation (in 1984). Manure was applied to the first crop in each crop rotation (in 1984, 1990 and 1996). Summarised results of a long-term experiment showed that by the end of the second (after 12 years) and third (after 18 years) rotation the effect of sapropel on soil chemical properties was positive. Calcareous sapropel reduced soil acidity, increased the amount of exchangeable bases (Ca + Mg). Under the influence of sapropel the contents of organic carbon and total nitrogen increased as well. The amount of mobile phosphorus increased, and mobile potassium decreased. Sapropel improved the composition of humus (C<sub>HA</sub>:C<sub>FA</sub> = 0.74&ndash;0.77; in control = 0.71). The results of investigations have shown that after 18 years of application the higher rates (150, 200 t/ha) of dry sapropel increased the productivity of crops. The highest rate of sapropel (200 t/ha) was almost of the same effectiveness as manure applied in every rotation.


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