Expostulate
发表于 2025-3-27 00:03:30
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离开
发表于 2025-3-27 03:41:51
Optimizing Agricultural Water Management for the Green Revolution in Africaferred to the Horn of Africa countries, but the new millennium has seen several countries in southern Africa join the group requiring food aid. In all cases of famine, lack/shortage of rainfall is cited as the main cause. Yet, within the same continent there are countries which are food secure, but
龙虾
发表于 2025-3-27 07:00:05
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假设
发表于 2025-3-27 12:44:13
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Definitive
发表于 2025-3-27 14:59:19
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ORBIT
发表于 2025-3-27 21:51:20
African Green Revolution Requires a Secure Source of Phosphorus: A Review of Alternative Sources andsential macronutrients. In most tropical soils, P is one of the main limiting plant nutrients and its deficiency is a major constraint for better crop production. This is mainly attributable to (i) the low total P content in soil, (ii) the relative unavailability of inherent soil P for plant uptake,
删减
发表于 2025-3-27 23:55:17
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happiness
发表于 2025-3-28 03:12:53
Long-Term Effect of Continuous Cropping of Irrigated Rice on Soil and Yield Trends in the Sahel of Wand Fanaye in the Senegal River Valley (West Africa). Rice was planted twice in a year during the hot dry season (HDS) and wet season (WS) with different fertilizer treatments. Soil organic carbon (SOC) under fallow varied from 7.1 g kg. at Fanaye to 11.0 g kg. at Ndiaye. Rice cropping maintained an
Urea508
发表于 2025-3-28 08:11:25
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津贴
发表于 2025-3-28 11:42:02
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