Timing of nitrogen (N) fertilizer application can influence grass regrowth, so it is important to identify how tropical grasses respond delays in applying after defoliation. Our objective was the effects timing N harvest on productive, morphogenic and structural characteristics 3 grasses: ‘Xaraés’ (Urochloa brizantha [Hochst. ex A. Rich.] Stapf cv. Xaraés), ‘Marandu’ Marandu) ‘Tanzânia’ (Megath...

Root traits influence the amount of water and nutrient absorption, and are important for maintaining crop yield under drought conditions. The objectives of this research were to characterize variability of root traits among spring wheat genotypes and determine whether root traits are related to shoot traits (plant height, tiller number per plant, shoot dry weight, and coleoptile length), region...

Timothy is a perennial forage grass grown commonly in Boreal regions. This study explored the effect of vernalization and photoperiod (PP) on flowering and growth characteristics and how this related to changes in expression of three flowering related genes in accessions from different geographic origin. Large variation was found in accessions in their vernalization and PP responses. In souther...

BACKGROUND Climate change directly affects species by altering their physical environment and indirectly affects species by altering interspecific interactions such as predation and competition. Recent studies have shown that the indirect effects of climate change may amplify or counteract the direct effects. However, little is known about the the relative strength of direct and indirect effect...

Salt tolerant variety BR 41 was grown in kharif 2 season by pot experiment to study the effects of salinity and potassium fertilizer on agronomic characteristics rice (Oryza sativa L.). The parameters increased with increasing up 12 dSm-1 level but plant height. increase tiller number, panicle shoot dry matter total grain yield statistically significant at 5% (LSD0.05) level, whereas 1000 weigh...

Tillage is the most energy-intensive soil operation. In actual energy situation important to explore and analyze physical laws of cultivation processes, that demand large quantities, at border technical- agricultural sciences. We studied phenomenon’s occurring during work with a rotary tiller approximated requirements computer simulation using Matlab Simulink environment. The model used was sim...