نتایج جستجو برای: growing season
تعداد نتایج: 249451 فیلتر نتایج به سال:
In order to investigate the effect of treated municipal wastewater on soil chemical properties and heavy metal uptake by sorghum an experiment was carried out in the Institute of Agriculture at Zabol University, Iran 2007 in a randomized complete block design with four replications. The treatments were managed for irrigation; with well water during entire period of growing season as control (T1...
Beginning in 2012, research was conducted near Garden City and Tribune, KS, to determine the effect of a single tillage operation every 3 years on grain yields wheat-sorghum-fallow (WSF) rotation. Treatments included no-till, post wheat harvest mid-August, mid-June during fallow phase. This study revised with two additional more intensive treatments since 2019. The were 1) operations phase 2) o...
Extended abstract 1- INTRODUCTION The contribution of crop cover to reducing runoff and erosion depends on the type, height, density and stage of plant growth. The literature review indicates that because of the different life forms, the effect of plants on the reduction of runoff and erosion are different at different growth stages [13]. However, no comprehensive studies have been conduc...
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