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Title

THE EFFECT OF MANURE ON THE YIELD, NUTRIENT UPTAKE AND ACCUMULATION OF HEXOSE SUGARS IN CROPS INTERCROPPING OAT (AVENA SATIVA L.) AND CLOVER (TRIFOLIUM ALEXANDRINUM L.)

Pages

 Start Page 103 | End Page 112

Abstract

 To determine the appropriate proportion of oat mixed cropped with berseem clover under manure application levels, an experiment was CArried out in the crop year 2015-2016; this study was CArried out in Khuzestan Agricultural Sciences and Natural Resources University, as a split-plot design on the basis of RCBD with three replications. In this experiment, manure levels including: 0, 12, 24and 36 ton.ha-1 from the composted cow manure, and five proportions of oat mixed cropped with clover, which included I: sole crop of oat, II: 75% oat+25% clover, III: 50% oat+50% clover, IV: 25% oat+75% clover, and V: clover sole cropped, were placed in the main plot and sub-plots, respectively. The results showed that the highest dry forage yield (12849 kg.ha-1) was obtained from the 50% oat mixed with the 50% clover, and the highest fresh forage yield was obtained from the 25% oat mixed with the 75% clover in the rate of 36 ton.ha-1 of manure. The highest N content of forage (3.41%) was observed by the sole cropping of clover. On the other hand, the highest amounts of N HARVEST from the soil (384.65 kg.ha-1), the P contents of forage (0.41%), and the P harvest from the soil (52.68 kg.ha-1) were obtained from the 50% oat mixed cropped with 50% of clover in the rate of 36 ton.ha-1 of manure. In addition, the highest FRUCTOSE and GLUCOSE contents were observed in the sole cropping of oat in the rate of 24 ton.ha-1 of manure. The highest CA and FE contents were also found in the sole cropping of clover and the treatment of the 75% oat mixed cropped with the 25% clover, respectively. Generally, it could be concluded that the use of clover as some N fixing crop in the soil along with oat in the rate of 36 ton.ha-1 of manure could result in the optimum forage yield and quality.

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