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Marginal water use efficiency

Xem 1-4 trên 4 kết quả Marginal water use efficiency
  • The objective of this study is to discuss the effects of dates of sowing and irrigation on ET of wheat varieties and determine the relationship between ET and wheat grain yield for Eastern India through crop water production functions.

    pdf14p cothumenhmong9 04-01-2021 11 1   Download

  • Transplanting is most laborious consuming operation during paddy cultivation. The cost of puddling and transplanting share 50 percentage of the total producing cost. The man day required for transplanting ranging from 50-60 man-day/ha and labour are very costly. So newly developed manual paddy transplanter is fit to the requirement for small and marginal farmers due to wash root type seedling can be transplanted in the field. The performance of the transplanter was evaluated. Missing hill is comparatively low while using in the field and row-row distance is maintained by 25 cm.

    pdf5p nguaconbaynhay6 23-06-2020 12 0   Download

  • Rice belong to genus Oryza. The cultivated species are Oryza sativa and Oryza glaberrima. Oryza glaberrima has been cultivated in West Africa. Rice is grown under many different conditions and production system, but submerged in water is the most common method use worldwide. Rice is the only cereal crop that can grown for long periods of time in standing water. 57% of rice is grown on irrigated land, 25% on rainfed lowland, 10% on the uplands, 6% in deepwater and 2% in tidal wetland.

    pdf7p nguathienthan2 25-12-2019 9 0   Download

  • Major rice-wheat growing soils of Upper Gangetic Plains, India were studied and evaluated by considering soil-site characteristics by using qualitative and quantitative methods. The qualitative method employed were USDA land capability classification and land suitability classification, while the quantitative evaluation method includes Riquier's parametric approach. The land evaluation methods indicated that information on production potential of soils provide a basis for comparison among different soils.

    pdf12p nguaconbaynhay1 04-12-2019 26 0   Download

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